670462631 has 2 divisors, whose sum is σ = 670462632. Its totient is φ = 670462630.

The previous prime is 670462613. The next prime is 670462679. The reversal of 670462631 is 136264076.

Together with previous prime (670462613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670462631 - 2²⁶ = 603353767 is a prime.

It is a super-2 number, since 2×670462631² = 899040279134884322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 670462591 and 670462600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670462531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335231315 + 335231316.

It is an arithmetic number, because the mean of its divisors is an integer number (335231316).

Almost surely, 2^670462631 is an apocalyptic number.

670462631 is a deficient number, since it is larger than the sum of its proper divisors (1).

670462631 is an equidigital number, since it uses as much as digits as its factorization.

670462631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 670462631 is about 25893.2931663780. The cubic root of 670462631 is about 875.2353678660.

The spelling of 670462631 in words is "six hundred seventy million, four hundred sixty-two thousand, six hundred thirty-one".