3125535610531 has 4 divisors (see below), whose sum is σ = 3125540378952. Its totient is φ = 3125530842112.

The previous prime is 3125535610523. The next prime is 3125535610553. The reversal of 3125535610531 is 1350165355213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3125535610531 - 2³ = 3125535610523 is a prime.

It is a super-2 number, since 2×3125535610531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125535610591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207390 + ... + 2776483.

It is an arithmetic number, because the mean of its divisors is an integer number (781385094738).

Almost surely, 2^{3125535610531} is an apocalyptic number.

3125535610531 is a deficient number, since it is larger than the sum of its proper divisors (4768421).

3125535610531 is an equidigital number, since it uses as much as digits as its factorization.

3125535610531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768420.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 3125535610531 in words is "three trillion, one hundred twenty-five billion, five hundred thirty-five million, six hundred ten thousand, five hundred thirty-one".