57334309 has 2 divisors, whose sum is σ = 57334310. Its totient is φ = 57334308.

The previous prime is 57334307. The next prime is 57334337. The reversal of 57334309 is 90343375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53144100 + 4190209 = 7290^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 57334309 - 2¹ = 57334307 is a prime.

Together with 57334307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57334301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28667154 + 28667155.

It is an arithmetic number, because the mean of its divisors is an integer number (28667155).

Almost surely, 2^57334309 is an apocalyptic number.

It is an amenable number.

57334309 is a deficient number, since it is larger than the sum of its proper divisors (1).

57334309 is an equidigital number, since it uses as much as digits as its factorization.

57334309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 57334309 is about 7571.9422211213. The cubic root of 57334309 is about 385.6010379335.

The spelling of 57334309 in words is "fifty-seven million, three hundred thirty-four thousand, three hundred nine".