507445705 has 16 divisors (see below), whose sum is σ = 656248320. Its totient is φ = 374459328.

The previous prime is 507445637. The next prime is 507445717. The reversal of 507445705 is 507544705.

It is a cyclic number.

It is not a de Polignac number, because 507445705 - 2⁷ = 507445577 is a prime.

It is a super-2 number, since 2×507445705² = 515002287045894050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161136 + ... + 164254.

It is an arithmetic number, because the mean of its divisors is an integer number (41015520).

Almost surely, 2^507445705 is an apocalyptic number.

It is an amenable number.

507445705 is a deficient number, since it is larger than the sum of its proper divisors (148802615).

507445705 is a wasteful number, since it uses less digits than its factorization.

507445705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 507445705 is about 22526.5555511712. Note that the first 5 decimals coincide. The cubic root of 507445705 is about 797.6209032409.

The spelling of 507445705 in words is "five hundred seven million, four hundred forty-five thousand, seven hundred five".