670951 has 2 divisors, whose sum is σ = 670952. Its totient is φ = 670950.

The previous prime is 670931. The next prime is 670963. The reversal of 670951 is 159076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670951 - 2⁵ = 670919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335475 + 335476.

It is an arithmetic number, because the mean of its divisors is an integer number (335476).

2⁶⁷⁰⁹⁵¹ is an apocalyptic number.

670951 is a deficient number, since it is larger than the sum of its proper divisors (1).

670951 is an equidigital number, since it uses as much as digits as its factorization.

670951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 670951 is about 819.1159869030. The cubic root of 670951 is about 87.5447825186.

The spelling of 670951 in words is "six hundred seventy thousand, nine hundred fifty-one".