10400525 has 12 divisors (see below), whose sum is σ = 12936672. Its totient is φ = 8294640.

The previous prime is 10400521. The next prime is 10400591. The reversal of 10400525 is 52500401.

It is not a de Polignac number, because 10400525 - 2² = 10400521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15752 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (1078056).

Almost surely, 2^10400525 is an apocalyptic number.

It is an amenable number.

10400525 is a deficient number, since it is larger than the sum of its proper divisors (2536147).

10400525 is an equidigital number, since it uses as much as digits as its factorization.

10400525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 10400525 is about 3224.9844960868. The cubic root of 10400525 is about 218.2822495072.

Adding to 10400525 its reverse (52500401), we get a palindrome (62900926).

The spelling of 10400525 in words is "ten million, four hundred thousand, five hundred twenty-five".