10565642 has 4 divisors (see below), whose sum is σ = 15848466. Its totient is φ = 5282820.

The previous prime is 10565641. The next prime is 10565663. The reversal of 10565642 is 24656501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 383161 = 3191^2 + 619^2 .

It is a super-2 number, since 2×10565642² = 223265581744328, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10565641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2641409 + ... + 2641412.

Almost surely, 2^10565642 is an apocalyptic number.

10565642 is a deficient number, since it is larger than the sum of its proper divisors (5282824).

10565642 is an equidigital number, since it uses as much as digits as its factorization.

10565642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282823.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 10565642 is about 3250.4833486729. The cubic root of 10565642 is about 219.4313274623.

The spelling of 10565642 in words is "ten million, five hundred sixty-five thousand, six hundred forty-two".