10621875 has 48 divisors (see below), whose sum is σ = 19498752. Its totient is φ = 5100000.

The previous prime is 10621861. The next prime is 10621879. The reversal of 10621875 is 57812601.

It is not a de Polignac number, because 10621875 - 2⁵ = 10621843 is a prime.

It is a super-2 number, since 2×10621875² = 225648457031250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621879) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 103074 + ... + 103176.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^10621875 is an apocalyptic number.

10621875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10621875 is a deficient number, since it is larger than the sum of its proper divisors (8876877).

10621875 is an equidigital number, since it uses as much as digits as its factorization.

10621875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 10621875 is about 3259.1218142316. The cubic root of 10621875 is about 219.8199284079.

The spelling of 10621875 in words is "ten million, six hundred twenty-one thousand, eight hundred seventy-five".