10421625 has 16 divisors (see below), whose sum is σ = 17342208. Its totient is φ = 5558000.

The previous prime is 10421623. The next prime is 10421669. The reversal of 10421625 is 52612401.

It is not a de Polignac number, because 10421625 - 2¹ = 10421623 is a prime.

It is a super-2 number, since 2×10421625² = 217220535281250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421623) 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 15 ways as a sum of consecutive naturals, for example, 13521 + ... + 14270.

It is an arithmetic number, because the mean of its divisors is an integer number (1083888).

Almost surely, 2^10421625 is an apocalyptic number.

10421625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10421625 is a deficient number, since it is larger than the sum of its proper divisors (6920583).

10421625 is an equidigital number, since it uses as much as digits as its factorization.

10421625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809 (or 27799 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10421625 is about 3228.2541721494. The cubic root of 10421625 is about 218.4297627125.

The spelling of 10421625 in words is "ten million, four hundred twenty-one thousand, six hundred twenty-five".