10660525 has 6 divisors (see below), whose sum is σ = 13219082. Its totient is φ = 8528400.

The previous prime is 10660519. The next prime is 10660537. The reversal of 10660525 is 52506601.

10660525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 19881 + 10640644 = 141^2 + 3262^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10660525 is a prime.

It is a super-2 number, since 2×10660525² = 227293586551250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 426421 = 10660525 / (1 + 0 + 6 + 6 + 0 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10660525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213186 + ... + 213235.

Almost surely, 2^10660525 is an apocalyptic number.

It is an amenable number.

10660525 is a deficient number, since it is larger than the sum of its proper divisors (2558557).

10660525 is an equidigital number, since it uses as much as digits as its factorization.

10660525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426431 (or 426426 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 10660525 is about 3265.0459414838. The cubic root of 10660525 is about 220.0862265306.

The spelling of 10660525 in words is "ten million, six hundred sixty thousand, five hundred twenty-five".