531304057 has 2 divisors, whose sum is σ = 531304058. Its totient is φ = 531304056.

The previous prime is 531303991. The next prime is 531304069. The reversal of 531304057 is 750403135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515471616 + 15832441 = 22704^2 + 3979^2 .

It is a cyclic number.

It is not a de Polignac number, because 531304057 - 2¹⁵ = 531271289 is a prime.

It is not a weakly prime, because it can be changed into another prime (531304097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265652028 + 265652029.

It is an arithmetic number, because the mean of its divisors is an integer number (265652029).

Almost surely, 2^531304057 is an apocalyptic number.

It is an amenable number.

531304057 is a deficient number, since it is larger than the sum of its proper divisors (1).

531304057 is an equidigital number, since it uses as much as digits as its factorization.

531304057 is an evil number, because the sum of its binary digits is even.

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

The square root of 531304057 is about 23050.0337743787. The cubic root of 531304057 is about 809.9304197712.

The spelling of 531304057 in words is "five hundred thirty-one million, three hundred four thousand, fifty-seven".