10626521 has 4 divisors (see below), whose sum is σ = 10969344. Its totient is φ = 10283700.

The previous prime is 10626509. The next prime is 10626563. The reversal of 10626521 is 12562601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12562601 = 103 ⋅121967.

It is a cyclic number.

It is not a de Polignac number, because 10626521 - 2¹⁴ = 10610137 is a prime.

It is a super-2 number, since 2×10626521² = 225845897126882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10626571) 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 3 ways as a sum of consecutive naturals, for example, 171365 + ... + 171426.

It is an arithmetic number, because the mean of its divisors is an integer number (2742336).

Almost surely, 2^10626521 is an apocalyptic number.

It is an amenable number.

10626521 is a deficient number, since it is larger than the sum of its proper divisors (342823).

10626521 is an equidigital number, since it uses as much as digits as its factorization.

10626521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342822.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10626521 is about 3259.8345050017. The cubic root of 10626521 is about 219.8519734257.

The spelling of 10626521 in words is "ten million, six hundred twenty-six thousand, five hundred twenty-one".