57331411 has 2 divisors, whose sum is σ = 57331412. Its totient is φ = 57331410.

The previous prime is 57331409. The next prime is 57331423. The reversal of 57331411 is 11413375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57331411 - 2¹ = 57331409 is a prime.

Together with 57331409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57331471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28665705 + 28665706.

It is an arithmetic number, because the mean of its divisors is an integer number (28665706).

Almost surely, 2^57331411 is an apocalyptic number.

57331411 is a deficient number, since it is larger than the sum of its proper divisors (1).

57331411 is an equidigital number, since it uses as much as digits as its factorization.

57331411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 57331411 is about 7571.7508543269. The cubic root of 57331411 is about 385.5945410054.

Adding to 57331411 its reverse (11413375), we get a palindrome (68744786).

The spelling of 57331411 in words is "fifty-seven million, three hundred thirty-one thousand, four hundred eleven".