507551117 has 2 divisors, whose sum is σ = 507551118. Its totient is φ = 507551116.

The previous prime is 507551087. The next prime is 507551137. The reversal of 507551117 is 711155705.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484836361 + 22714756 = 22019^2 + 4766^2 .

It is a cyclic number.

It is not a de Polignac number, because 507551117 - 2⁶ = 507551053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507551137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253775558 + 253775559.

It is an arithmetic number, because the mean of its divisors is an integer number (253775559).

Almost surely, 2^507551117 is an apocalyptic number.

It is an amenable number.

507551117 is a deficient number, since it is larger than the sum of its proper divisors (1).

507551117 is an equidigital number, since it uses as much as digits as its factorization.

507551117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6125, while the sum is 32.

The square root of 507551117 is about 22528.8951571088. The cubic root of 507551117 is about 797.6761295062.

The spelling of 507551117 in words is "five hundred seven million, five hundred fifty-one thousand, one hundred seventeen".