10505057 has 4 divisors (see below), whose sum is σ = 10555056. Its totient is φ = 10455060.

The previous prime is 10505039. The next prime is 10505083. The reversal of 10505057 is 75050501.

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: 75050501 = 1657 ⋅45293.

It is a cyclic number.

It is not a de Polignac number, because 10505057 - 2²⁰ = 9456481 is a prime.

It is a super-2 number, since 2×10505057² = 220712445146498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10504057) 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, 24683 + ... + 25104.

It is an arithmetic number, because the mean of its divisors is an integer number (2638764).

Almost surely, 2^10505057 is an apocalyptic number.

It is an amenable number.

10505057 is a deficient number, since it is larger than the sum of its proper divisors (49999).

10505057 is an equidigital number, since it uses as much as digits as its factorization.

10505057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49998.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 10505057 is about 3241.1505673140. The cubic root of 10505057 is about 219.0111056829.

Adding to 10505057 its reverse (75050501), we get a palindrome (85555558).

The spelling of 10505057 in words is "ten million, five hundred five thousand, fifty-seven".