57065279 has 2 divisors, whose sum is σ = 57065280. Its totient is φ = 57065278.

The previous prime is 57065263. The next prime is 57065293. The reversal of 57065279 is 97256075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57065279 - 2⁴ = 57065263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57065249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28532639 + 28532640.

It is an arithmetic number, because the mean of its divisors is an integer number (28532640).

Almost surely, 2^57065279 is an apocalyptic number.

57065279 is a deficient number, since it is larger than the sum of its proper divisors (1).

57065279 is an equidigital number, since it uses as much as digits as its factorization.

57065279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 57065279 is about 7554.1564055823. The cubic root of 57065279 is about 384.9969730464.

The spelling of 57065279 in words is "fifty-seven million, sixty-five thousand, two hundred seventy-nine".