57245693 has 2 divisors, whose sum is σ = 57245694. Its totient is φ = 57245692.

The previous prime is 57245663. The next prime is 57245701. The reversal of 57245693 is 39654275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33849124 + 23396569 = 5818^2 + 4837^2 .

It is a cyclic number.

It is not a de Polignac number, because 57245693 - 2¹⁰ = 57244669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57245693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57245603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28622846 + 28622847.

It is an arithmetic number, because the mean of its divisors is an integer number (28622847).

Almost surely, 2^57245693 is an apocalyptic number.

It is an amenable number.

57245693 is a deficient number, since it is larger than the sum of its proper divisors (1).

57245693 is an equidigital number, since it uses as much as digits as its factorization.

57245693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The square root of 57245693 is about 7566.0883552864. The cubic root of 57245693 is about 385.4022736338.

The spelling of 57245693 in words is "fifty-seven million, two hundred forty-five thousand, six hundred ninety-three".