10562921 has 4 divisors (see below), whose sum is σ = 10787712. Its totient is φ = 10338132.

The previous prime is 10562897. The next prime is 10562927. The reversal of 10562921 is 12926501.

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: 12926501 = 7 ⋅1846643.

It is a cyclic number.

It is not a de Polignac number, because 10562921 - 2¹⁸ = 10300777 is a prime.

It is a super-2 number, since 2×10562921² = 223150600104482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10562927) 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, 112325 + ... + 112418.

It is an arithmetic number, because the mean of its divisors is an integer number (2696928).

Almost surely, 2^10562921 is an apocalyptic number.

It is an amenable number.

10562921 is a deficient number, since it is larger than the sum of its proper divisors (224791).

10562921 is an equidigital number, since it uses as much as digits as its factorization.

10562921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224790.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10562921 is about 3250.0647685854. The cubic root of 10562921 is about 219.4124889192.

The spelling of 10562921 in words is "ten million, five hundred sixty-two thousand, nine hundred twenty-one".