52377257 has 2 divisors, whose sum is σ = 52377258. Its totient is φ = 52377256.

The previous prime is 52377217. The next prime is 52377263. The reversal of 52377257 is 75277325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 11978521 = 6356^2 + 3461^2 .

It is a cyclic number.

It is not a de Polignac number, because 52377257 - 2²⁰ = 51328681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52377257.

It is not a weakly prime, because it can be changed into another prime (52377217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26188628 + 26188629.

It is an arithmetic number, because the mean of its divisors is an integer number (26188629).

Almost surely, 2^52377257 is an apocalyptic number.

It is an amenable number.

52377257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52377257 is an equidigital number, since it uses as much as digits as its factorization.

52377257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102900, while the sum is 38.

The square root of 52377257 is about 7237.2133449277. The cubic root of 52377257 is about 374.1515800111.

The spelling of 52377257 in words is "fifty-two million, three hundred seventy-seven thousand, two hundred fifty-seven".