10575621 has 18 divisors (see below), whose sum is σ = 17770662. Its totient is φ = 6042960.

The previous prime is 10575613. The next prime is 10575623. The reversal of 10575621 is 12657501.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 5239521 = 2310^2 + 2289^2 .

It is not a de Polignac number, because 10575621 - 2³ = 10575613 is a prime.

It is a super-2 number, since 2×10575621² = 223687519071282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10575623) 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 17 ways as a sum of consecutive naturals, for example, 11550 + ... + 12431.

It is an arithmetic number, because the mean of its divisors is an integer number (987259).

Almost surely, 2^10575621 is an apocalyptic number.

It is an amenable number.

10575621 is a deficient number, since it is larger than the sum of its proper divisors (7195041).

10575621 is a wasteful number, since it uses less digits than its factorization.

10575621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24001 (or 23991 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 10575621 is about 3252.0179888801. The cubic root of 10575621 is about 219.5003882981.

The spelling of 10575621 in words is "ten million, five hundred seventy-five thousand, six hundred twenty-one".