507429157 has 2 divisors, whose sum is σ = 507429158. Its totient is φ = 507429156.

The previous prime is 507429149. The next prime is 507429187. The reversal of 507429157 is 751924705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463153441 + 44275716 = 21521^2 + 6654^2 .

It is a cyclic number.

It is not a de Polignac number, because 507429157 - 2³ = 507429149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507429187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253714578 + 253714579.

It is an arithmetic number, because the mean of its divisors is an integer number (253714579).

Almost surely, 2^507429157 is an apocalyptic number.

It is an amenable number.

507429157 is a deficient number, since it is larger than the sum of its proper divisors (1).

507429157 is an equidigital number, since it uses as much as digits as its factorization.

507429157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 507429157 is about 22526.1882483477. The cubic root of 507429157 is about 797.6122329050.

The spelling of 507429157 in words is "five hundred seven million, four hundred twenty-nine thousand, one hundred fifty-seven".