57241013 has 2 divisors, whose sum is σ = 57241014. Its totient is φ = 57241012.

The previous prime is 57240991. The next prime is 57241021. The reversal of 57241013 is 31014275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57123364 + 117649 = 7558^2 + 343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57241013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57241013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57240013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28620506 + 28620507.

It is an arithmetic number, because the mean of its divisors is an integer number (28620507).

Almost surely, 2^57241013 is an apocalyptic number.

It is an amenable number.

57241013 is a deficient number, since it is larger than the sum of its proper divisors (1).

57241013 is an equidigital number, since it uses as much as digits as its factorization.

57241013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 57241013 is about 7565.7790742263. The cubic root of 57241013 is about 385.3917707662.

Adding to 57241013 its reverse (31014275), we get a palindrome (88255288).

The spelling of 57241013 in words is "fifty-seven million, two hundred forty-one thousand, thirteen".