10604561 has 6 divisors (see below), whose sum is σ = 11656386. Its totient is φ = 9640400.

The previous prime is 10604551. The next prime is 10604567. The reversal of 10604561 is 16540601.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 3025 = 3256^2 + 55^2 .

It is not a de Polignac number, because 10604561 - 2¹⁸ = 10342417 is a prime.

It is a super-2 number, since 2×10604561² = 224913428005442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10604567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43700 + ... + 43941.

It is an arithmetic number, because the mean of its divisors is an integer number (1942731).

Almost surely, 2^10604561 is an apocalyptic number.

10604561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10604561 is a deficient number, since it is larger than the sum of its proper divisors (1051825).

10604561 is an equidigital number, since it uses as much as digits as its factorization.

10604561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87663 (or 87652 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10604561 is about 3256.4644938952. The cubic root of 10604561 is about 219.7004255875.

The spelling of 10604561 in words is "ten million, six hundred four thousand, five hundred sixty-one".