507155057 has 2 divisors, whose sum is σ = 507155058. Its totient is φ = 507155056.

The previous prime is 507155003. The next prime is 507155063. The reversal of 507155057 is 750551705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269255281 + 237899776 = 16409^2 + 15424^2 .

It is a cyclic number.

It is not a de Polignac number, because 507155057 - 2⁶ = 507154993 is a prime.

It is not a weakly prime, because it can be changed into another prime (507125057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253577528 + 253577529.

It is an arithmetic number, because the mean of its divisors is an integer number (253577529).

Almost surely, 2^507155057 is an apocalyptic number.

It is an amenable number.

507155057 is a deficient number, since it is larger than the sum of its proper divisors (1).

507155057 is an equidigital number, since it uses as much as digits as its factorization.

507155057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 507155057 is about 22520.1033967431. The cubic root of 507155057 is about 797.4685905941.

The spelling of 507155057 in words is "five hundred seven million, one hundred fifty-five thousand, fifty-seven".