10975621 has 4 divisors (see below), whose sum is σ = 11230912. Its totient is φ = 10720332.

The previous prime is 10975619. The next prime is 10975633. The reversal of 10975621 is 12657901.

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 a cyclic number.

It is not a de Polignac number, because 10975621 - 2¹ = 10975619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10975651) 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 3 ways as a sum of consecutive naturals, for example, 127581 + ... + 127666.

It is an arithmetic number, because the mean of its divisors is an integer number (2807728).

Almost surely, 2^10975621 is an apocalyptic number.

It is an amenable number.

10975621 is a deficient number, since it is larger than the sum of its proper divisors (255291).

10975621 is an equidigital number, since it uses as much as digits as its factorization.

10975621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255290.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 10975621 is about 3312.9474792094. The cubic root of 10975621 is about 222.2335893167.

The spelling of 10975621 in words is "ten million, nine hundred seventy-five thousand, six hundred twenty-one".