656707 has 2 divisors, whose sum is σ = 656708. Its totient is φ = 656706.

The previous prime is 656701. The next prime is 656737. The reversal of 656707 is 707656.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-656707 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (656701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328353 + 328354.

It is an arithmetic number, because the mean of its divisors is an integer number (328354).

2⁶⁵⁶⁷⁰⁷ is an apocalyptic number.

656707 is a deficient number, since it is larger than the sum of its proper divisors (1).

656707 is an equidigital number, since it uses as much as digits as its factorization.

656707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 656707 is about 810.3746047354. The cubic root of 656707 is about 86.9208334311.

The spelling of 656707 in words is "six hundred fifty-six thousand, seven hundred seven".