10561634 has 4 divisors (see below), whose sum is σ = 15842454. Its totient is φ = 5280816.

The previous prime is 10561633. The next prime is 10561643. The reversal of 10561634 is 43616501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43616501 = 151 ⋅288851.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 970225 = 3097^2 + 985^2 .

It is a super-2 number, since 2×10561634² = 223096225499912, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10561633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640407 + ... + 2640410.

Almost surely, 2^10561634 is an apocalyptic number.

10561634 is a deficient number, since it is larger than the sum of its proper divisors (5280820).

10561634 is an equidigital number, since it uses as much as digits as its factorization.

10561634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280819.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10561634 is about 3249.8667664998. The cubic root of 10561634 is about 219.4035773898.

The spelling of 10561634 in words is "ten million, five hundred sixty-one thousand, six hundred thirty-four".