57252511 has 2 divisors, whose sum is σ = 57252512. Its totient is φ = 57252510.

The previous prime is 57252509. The next prime is 57252539. The reversal of 57252511 is 11525275.

It is an a-pointer prime, because the next prime (57252539) can be obtained adding 57252511 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57252511 - 2¹ = 57252509 is a prime.

Together with 57252509, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57252511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57252541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28626255 + 28626256.

It is an arithmetic number, because the mean of its divisors is an integer number (28626256).

Almost surely, 2^57252511 is an apocalyptic number.

57252511 is a deficient number, since it is larger than the sum of its proper divisors (1).

57252511 is an equidigital number, since it uses as much as digits as its factorization.

57252511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3500, while the sum is 28.

The square root of 57252511 is about 7566.5389049419. The cubic root of 57252511 is about 385.4175735818.

Adding to 57252511 its reverse (11525275), we get a palindrome (68777786).

The spelling of 57252511 in words is "fifty-seven million, two hundred fifty-two thousand, five hundred eleven".