10021607525 has 12 divisors (see below), whose sum is σ = 13157781732. Its totient is φ = 7545680640.

The previous prime is 10021607507. The next prime is 10021607543. The reversal of 10021607525 is 52570612001.

It is an interprime number because it is at equal distance from previous prime (10021607507) and next prime (10021607543).

It can be written as a sum of positive squares in 6 ways, for example, as 331567681 + 9690039844 = 18209^2 + 98438^2 .

It is not a de Polignac number, because 10021607525 - 2⁶ = 10021607461 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, 11789702 + ... + 11790551.

It is an arithmetic number, because the mean of its divisors is an integer number (1096481811).

Almost surely, 2^10021607525 is an apocalyptic number.

It is an amenable number.

10021607525 is a deficient number, since it is larger than the sum of its proper divisors (3136174207).

10021607525 is a wasteful number, since it uses less digits than its factorization.

10021607525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23580280 (or 23580275 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 10021607525 in words is "ten billion, twenty-one million, six hundred seven thousand, five hundred twenty-five".