57245479 has 2 divisors, whose sum is σ = 57245480. Its totient is φ = 57245478.

The previous prime is 57245431. The next prime is 57245491. The reversal of 57245479 is 97454275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57245479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57246479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28622739 + 28622740.

It is an arithmetic number, because the mean of its divisors is an integer number (28622740).

Almost surely, 2^57245479 is an apocalyptic number.

57245479 is a deficient number, since it is larger than the sum of its proper divisors (1).

57245479 is an equidigital number, since it uses as much as digits as its factorization.

57245479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 57245479 is about 7566.0742132231. The cubic root of 57245479 is about 385.4017933869.

The spelling of 57245479 in words is "fifty-seven million, two hundred forty-five thousand, four hundred seventy-nine".