32540401525 has 12 divisors (see below), whose sum is σ = 40902841252. Its totient is φ = 25675712640.

The previous prime is 32540401513. The next prime is 32540401561. The reversal of 32540401525 is 52510404523.

It can be written as a sum of positive squares in 6 ways, for example, as 39162564 + 32501238961 = 6258^2 + 180281^2 .

It is not a de Polignac number, because 32540401525 - 2²¹ = 32538304373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8913354 + ... + 8917003.

Almost surely, 2^32540401525 is an apocalyptic number.

It is an amenable number.

32540401525 is a deficient number, since it is larger than the sum of its proper divisors (8362439727).

32540401525 is a wasteful number, since it uses less digits than its factorization.

32540401525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830440 (or 17830435 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 32540401525 in words is "thirty-two billion, five hundred forty million, four hundred one thousand, five hundred twenty-five".