10642057 has 4 divisors (see below), whose sum is σ = 10672900. Its totient is φ = 10611216.

The previous prime is 10642039. The next prime is 10642081. The reversal of 10642057 is 75024601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75024601 = 431 ⋅174071.

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 6843456 = 1949^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 10642057 - 2⁷ = 10641929 is a prime.

It is a super-2 number, since 2×10642057² = 226506754382498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10642097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14898 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (2668225).

Almost surely, 2^10642057 is an apocalyptic number.

It is an amenable number.

10642057 is a deficient number, since it is larger than the sum of its proper divisors (30843).

10642057 is an equidigital number, since it uses as much as digits as its factorization.

10642057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30842.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 10642057 is about 3262.2165777275. The cubic root of 10642057 is about 219.9590626308.

Adding to 10642057 its reverse (75024601), we get a palindrome (85666658).

The spelling of 10642057 in words is "ten million, six hundred forty-two thousand, fifty-seven".