10663525 has 6 divisors (see below), whose sum is σ = 13222802. Its totient is φ = 8530800.

The previous prime is 10663517. The next prime is 10663529. The reversal of 10663525 is 52536601.

10663525 is digitally balanced in base 2 and base 3, because in such bases 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 690561 + 9972964 = 831^2 + 3158^2 .

It is not a de Polignac number, because 10663525 - 2³ = 10663517 is a prime.

It is a super-2 number, since 2×10663525² = 227421530851250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10663493 and 10663502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663529) 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, 213246 + ... + 213295.

Almost surely, 2^10663525 is an apocalyptic number.

It is an amenable number.

10663525 is a deficient number, since it is larger than the sum of its proper divisors (2559277).

10663525 is an equidigital number, since it uses as much as digits as its factorization.

10663525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426551 (or 426546 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 10663525 is about 3265.5053207735. The cubic root of 10663525 is about 220.1068695651.

The spelling of 10663525 in words is "ten million, six hundred sixty-three thousand, five hundred twenty-five".