57230249 has 2 divisors, whose sum is σ = 57230250. Its totient is φ = 57230248.

The previous prime is 57230237. The next prime is 57230263. The reversal of 57230249 is 94203275.

It is a happy number.

57230249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 1024 = 7565^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 57230249 - 2¹² = 57226153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57230269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28615124 + 28615125.

It is an arithmetic number, because the mean of its divisors is an integer number (28615125).

Almost surely, 2^57230249 is an apocalyptic number.

It is an amenable number.

57230249 is a deficient number, since it is larger than the sum of its proper divisors (1).

57230249 is an equidigital number, since it uses as much as digits as its factorization.

57230249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57230249 is about 7565.0676798030. The cubic root of 57230249 is about 385.3676119981.

The spelling of 57230249 in words is "fifty-seven million, two hundred thirty thousand, two hundred forty-nine".