3525605631 has 6 divisors (see below), whose sum is σ = 5092541480. Its totient is φ = 2350403748.

The previous prime is 3525605627. The next prime is 3525605663. The reversal of 3525605631 is 1365065253.

3525605631 is a `hidden beast` number, since 35 + 2 + 5 + 60 + 563 + 1 = 666.

It is not a de Polignac number, because 3525605631 - 2² = 3525605627 is a prime.

It is a super-2 number, since 2×3525605631² = 24859790130677816322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525605731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195866971 + ... + 195866988.

Almost surely, 2^3525605631 is an apocalyptic number.

3525605631 is a deficient number, since it is larger than the sum of its proper divisors (1566935849).

3525605631 is a wasteful number, since it uses less digits than its factorization.

3525605631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391733965 (or 391733962 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 3525605631 is about 59376.8105492371. The cubic root of 3525605631 is about 1521.9880540722.

The spelling of 3525605631 in words is "three billion, five hundred twenty-five million, six hundred five thousand, six hundred thirty-one".