507320649 has 12 divisors (see below), whose sum is σ = 799414512. Its totient is φ = 307467000.

The previous prime is 507320641. The next prime is 507320659. The reversal of 507320649 is 946023705.

507320649 is a `hidden beast` number, since 5 + 0 + 7 + 3 + 2 + 0 + 649 = 666.

It is not a de Polignac number, because 507320649 - 2³ = 507320641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (507320641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2562127 + ... + 2562324.

It is an arithmetic number, because the mean of its divisors is an integer number (66617876).

Almost surely, 2^507320649 is an apocalyptic number.

It is an amenable number.

507320649 is a deficient number, since it is larger than the sum of its proper divisors (292093863).

507320649 is a wasteful number, since it uses less digits than its factorization.

507320649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124468 (or 5124465 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 507320649 is about 22523.7796339780. The cubic root of 507320649 is about 797.5553753931. Note that the first 3 decimals are identical.

The spelling of 507320649 in words is "five hundred seven million, three hundred twenty thousand, six hundred forty-nine".