10390625 has 32 divisors (see below), whose sum is σ = 15624960. Its totient is φ = 6750000.

The previous prime is 10390609. The next prime is 10390631. The reversal of 10390625 is 52609301.

It is not a de Polignac number, because 10390625 - 2⁴ = 10390609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10390594 and 10390603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546866 + ... + 546884.

It is an arithmetic number, because the mean of its divisors is an integer number (488280).

Almost surely, 2^10390625 is an apocalyptic number.

It is an amenable number.

10390625 is a deficient number, since it is larger than the sum of its proper divisors (5234335).

10390625 is an frugal number, since it uses more digits than its factorization.

10390625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 10390625 is about 3223.4492395569. The cubic root of 10390625 is about 218.2129683797.

Adding to 10390625 its reverse (52609301), we get a palindrome (62999926).

The spelling of 10390625 in words is "ten million, three hundred ninety thousand, six hundred twenty-five".