57918461 has 2 divisors, whose sum is σ = 57918462. Its totient is φ = 57918460.

The previous prime is 57918397. The next prime is 57918467. The reversal of 57918461 is 16481975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 19404025 = 6206^2 + 4405^2 .

It is a cyclic number.

It is not a de Polignac number, because 57918461 - 2⁶ = 57918397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57918467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28959230 + 28959231.

It is an arithmetic number, because the mean of its divisors is an integer number (28959231).

Almost surely, 2^57918461 is an apocalyptic number.

It is an amenable number.

57918461 is a deficient number, since it is larger than the sum of its proper divisors (1).

57918461 is an equidigital number, since it uses as much as digits as its factorization.

57918461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 57918461 is about 7610.4179254493. The cubic root of 57918461 is about 386.9061839284.

The spelling of 57918461 in words is "fifty-seven million, nine hundred eighteen thousand, four hundred sixty-one".