652490802531 has 12 divisors (see below), whose sum is σ = 942661546008. Its totient is φ = 434913177024.

The previous prime is 652490802511. The next prime is 652490802569. The reversal of 652490802531 is 135208094256.

652490802531 is a `hidden beast` number, since 6 + 5 + 24 + 90 + 8 + 0 + 2 + 531 = 666.

It is not a de Polignac number, because 652490802531 - 2⁵ = 652490802499 is a prime.

It is a super-3 number, since 3×652490802531³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (652490802511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6673045 + ... + 6770118.

It is an arithmetic number, because the mean of its divisors is an integer number (78555128834).

Almost surely, 2^652490802531 is an apocalyptic number.

652490802531 is a deficient number, since it is larger than the sum of its proper divisors (290170743477).

652490802531 is a wasteful number, since it uses less digits than its factorization.

652490802531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448562 (or 13448559 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

Adding to 652490802531 its reverse (135208094256), we get a palindrome (787698896787).

The spelling of 652490802531 in words is "six hundred fifty-two billion, four hundred ninety million, eight hundred two thousand, five hundred thirty-one".