670602563 has 2 divisors, whose sum is σ = 670602564. Its totient is φ = 670602562.

The previous prime is 670602551. The next prime is 670602593. The reversal of 670602563 is 365206076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670602563 - 2⁴ = 670602547 is a prime.

It is equal to p_34808093 and since 670602563 and 34808093 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (670602593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335301281 + 335301282.

It is an arithmetic number, because the mean of its divisors is an integer number (335301282).

Almost surely, 2^670602563 is an apocalyptic number.

670602563 is a deficient number, since it is larger than the sum of its proper divisors (1).

670602563 is an equidigital number, since it uses as much as digits as its factorization.

670602563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 670602563 is about 25895.9951150752. The cubic root of 670602563 is about 875.2962536436.

The spelling of 670602563 in words is "six hundred seventy million, six hundred two thousand, five hundred sixty-three".