3512400525 has 36 divisors (see below), whose sum is σ = 6319401088. Its totient is φ = 1864853280.

The previous prime is 3512400523. The next prime is 3512400527. The reversal of 3512400525 is 5250042153.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3512400523) and next prime (3512400527).

It is not a de Polignac number, because 3512400525 - 2¹ = 3512400523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3512400523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15174 + ... + 85176.

Almost surely, 2^3512400525 is an apocalyptic number.

It is an amenable number.

3512400525 is a deficient number, since it is larger than the sum of its proper divisors (2807000563).

3512400525 is a wasteful number, since it uses less digits than its factorization.

3512400525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70242 (or 70234 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3512400525 is about 59265.5087297831. The cubic root of 3512400525 is about 1520.0854818327.

Adding to 3512400525 its reverse (5250042153), we get a palindrome (8762442678).

The spelling of 3512400525 in words is "three billion, five hundred twelve million, four hundred thousand, five hundred twenty-five".