10625521 has 4 divisors (see below), whose sum is σ = 10681344. Its totient is φ = 10569700.

The previous prime is 10625509. The next prime is 10625533. The reversal of 10625521 is 12552601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10625509) and next prime (10625533).

It is a cyclic number.

It is not a de Polignac number, because 10625521 - 2⁷ = 10625393 is a prime.

It is a super-2 number, since 2×10625521² = 225803393042882, 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 = 10625492 and 10625501.

It is not an unprimeable number, because it can be changed into a prime (10625501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27625 + ... + 28006.

It is an arithmetic number, because the mean of its divisors is an integer number (2670336).

Almost surely, 2^10625521 is an apocalyptic number.

It is an amenable number.

10625521 is a deficient number, since it is larger than the sum of its proper divisors (55823).

10625521 is an equidigital number, since it uses as much as digits as its factorization.

10625521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55822.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 10625521 is about 3259.6811193735. The cubic root of 10625521 is about 219.8450768798.

It can be divided in two parts, 106255 and 21, that added together give a square (106276 = 326²).

The spelling of 10625521 in words is "ten million, six hundred twenty-five thousand, five hundred twenty-one".