3512500000 has 108 divisors (see below), whose sum is σ = 8674800246. Its totient is φ = 1400000000.

The previous prime is 3512499997. The next prime is 3512500003. The reversal of 3512500000 is 52153.

3512500000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3512499997) and next prime (3512500003).

It can be written as a sum of positive squares in 9 ways, for example, as 3487138704 + 25361296 = 59052^2 + 5036^2 .

It is a sliding number, since 3512500000 = 312500000 + 3200000000 and 1/312500000 + 1/3200000000 = 0.000000003512500000.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (3512500003) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12499860 + ... + 12500140.

Almost surely, 2^3512500000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3512500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4337400123).

3512500000 is an abundant number, since it is smaller than the sum of its proper divisors (5162300246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3512500000 is an frugal number, since it uses more digits than its factorization.

3512500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 3512500000 is about 59266.3479556485. The cubic root of 3512500000 is about 1520.0998318548.

Adding to 3512500000 its reverse (52153), we get a palindrome (3512552153).

The spelling of 3512500000 in words is "three billion, five hundred twelve million, five hundred thousand".