556670507 has 2 divisors, whose sum is σ = 556670508. Its totient is φ = 556670506.

The previous prime is 556670447. The next prime is 556670509. The reversal of 556670507 is 705076655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556670507 - 2¹⁴ = 556654123 is a prime.

Together with 556670509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (556670509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278335253 + 278335254.

It is an arithmetic number, because the mean of its divisors is an integer number (278335254).

Almost surely, 2^556670507 is an apocalyptic number.

556670507 is a deficient number, since it is larger than the sum of its proper divisors (1).

556670507 is an equidigital number, since it uses as much as digits as its factorization.

556670507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 556670507 is about 23593.8658765366. The cubic root of 556670507 is about 822.6202653013.

The spelling of 556670507 in words is "five hundred fifty-six million, six hundred seventy thousand, five hundred seven".