57245973 has 4 divisors (see below), whose sum is σ = 76327968. Its totient is φ = 38163980.

The previous prime is 57245941. The next prime is 57245977. The reversal of 57245973 is 37954275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57245973 - 2⁵ = 57245941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57245977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9540993 + ... + 9540998.

It is an arithmetic number, because the mean of its divisors is an integer number (19081992).

Almost surely, 2^57245973 is an apocalyptic number.

It is an amenable number.

57245973 is a deficient number, since it is larger than the sum of its proper divisors (19081995).

57245973 is a wasteful number, since it uses less digits than its factorization.

57245973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081994.

The product of its digits is 264600, while the sum is 42.

The square root of 57245973 is about 7566.1068588806. The cubic root of 57245973 is about 385.4029019923.

The spelling of 57245973 in words is "fifty-seven million, two hundred forty-five thousand, nine hundred seventy-three".