670963 has 2 divisors, whose sum is σ = 670964. Its totient is φ = 670962.

The previous prime is 670951. The next prime is 670987. The reversal of 670963 is 369076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670963 - 2⁵ = 670931 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 (670903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335481 + 335482.

It is an arithmetic number, because the mean of its divisors is an integer number (335482).

2⁶⁷⁰⁹⁶³ is an apocalyptic number.

670963 is a deficient number, since it is larger than the sum of its proper divisors (1).

670963 is an equidigital number, since it uses as much as digits as its factorization.

670963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 670963 is about 819.1233118402. The cubic root of 670963 is about 87.5453044301.

The spelling of 670963 in words is "six hundred seventy thousand, nine hundred sixty-three".