57530413 has 2 divisors, whose sum is σ = 57530414. Its totient is φ = 57530412.

The previous prime is 57530393. The next prime is 57530437. The reversal of 57530413 is 31403575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57426084 + 104329 = 7578^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 57530413 - 2¹⁷ = 57399341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57530483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28765206 + 28765207.

It is an arithmetic number, because the mean of its divisors is an integer number (28765207).

Almost surely, 2^57530413 is an apocalyptic number.

It is an amenable number.

57530413 is a deficient number, since it is larger than the sum of its proper divisors (1).

57530413 is an equidigital number, since it uses as much as digits as its factorization.

57530413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 57530413 is about 7584.8805527839. The cubic root of 57530413 is about 386.0401691576.

Adding to 57530413 its reverse (31403575), we get a palindrome (88933988).

The spelling of 57530413 in words is "fifty-seven million, five hundred thirty thousand, four hundred thirteen".