3125303500 has 48 divisors (see below), whose sum is σ = 7446190752. Its totient is φ = 1136472000.

The previous prime is 3125303491. The next prime is 3125303527. The reversal of 3125303500 is 53035213.

It is a happy number.

It is a super-2 number, since 2×3125303500² = 19535043934224500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278619 + ... + 289618.

It is an arithmetic number, because the mean of its divisors is an integer number (155128974).

Almost surely, 2^3125303500 is an apocalyptic number.

It is an amenable number.

3125303500 is an abundant number, since it is smaller than the sum of its proper divisors (4320887252).

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

3125303500 is a wasteful number, since it uses less digits than its factorization.

3125303500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568267 (or 568255 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 3125303500 is about 55904.4139581125. The cubic root of 3125303500 is about 1462.0561976747.

Adding to 3125303500 its reverse (53035213), we get a palindrome (3178338713).

The spelling of 3125303500 in words is "three billion, one hundred twenty-five million, three hundred three thousand, five hundred".