57973261 has 2 divisors, whose sum is σ = 57973262. Its totient is φ = 57973260.

The previous prime is 57973243. The next prime is 57973283. The reversal of 57973261 is 16237975.

57973261 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., 45765225 + 12208036 = 6765^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 57973261 - 2¹¹ = 57971213 is a prime.

It is a Chen prime.

It is equal to p_3448885 and since 57973261 and 3448885 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57973211) 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, 28986630 + 28986631.

It is an arithmetic number, because the mean of its divisors is an integer number (28986631).

Almost surely, 2^57973261 is an apocalyptic number.

It is an amenable number.

57973261 is a deficient number, since it is larger than the sum of its proper divisors (1).

57973261 is an equidigital number, since it uses as much as digits as its factorization.

57973261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 57973261 is about 7614.0174021340. The cubic root of 57973261 is about 387.0281702236.

The spelling of 57973261 in words is "fifty-seven million, nine hundred seventy-three thousand, two hundred sixty-one".