507946913 has 2 divisors, whose sum is σ = 507946914. Its totient is φ = 507946912.

The previous prime is 507946849. The next prime is 507946951. The reversal of 507946913 is 319649705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390181009 + 117765904 = 19753^2 + 10852^2 .

It is a cyclic number.

It is not a de Polignac number, because 507946913 - 2⁶ = 507946849 is a prime.

It is not a weakly prime, because it can be changed into another prime (507946963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253973456 + 253973457.

It is an arithmetic number, because the mean of its divisors is an integer number (253973457).

Almost surely, 2^507946913 is an apocalyptic number.

It is an amenable number.

507946913 is a deficient number, since it is larger than the sum of its proper divisors (1).

507946913 is an equidigital number, since it uses as much as digits as its factorization.

507946913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 507946913 is about 22537.6776310249. The cubic root of 507946913 is about 797.8834222494.

The spelling of 507946913 in words is "five hundred seven million, nine hundred forty-six thousand, nine hundred thirteen".