52513057 has 2 divisors, whose sum is σ = 52513058. Its totient is φ = 52513056.

The previous prime is 52513049. The next prime is 52513063. The reversal of 52513057 is 75031525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 1018081 = 7176^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513057 - 2³ = 52513049 is a prime.

It is a super-3 number, since 3×52513057³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (52513007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256528 + 26256529.

It is an arithmetic number, because the mean of its divisors is an integer number (26256529).

Almost surely, 2^52513057 is an apocalyptic number.

It is an amenable number.

52513057 is a deficient number, since it is larger than the sum of its proper divisors (1).

52513057 is an equidigital number, since it uses as much as digits as its factorization.

52513057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 52513057 is about 7246.5893356806. The cubic root of 52513057 is about 374.4746587583.

The spelling of 52513057 in words is "fifty-two million, five hundred thirteen thousand, fifty-seven".