1960631 has 2 divisors, whose sum is σ = 1960632. Its totient is φ = 1960630.

The previous prime is 1960613. The next prime is 1960639. The reversal of 1960631 is 1360691.

Together with previous prime (1960613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1960631 is a prime.

It is a super-2 number, since 2×1960631² = 7688147836322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1960631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1960639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980315 + 980316.

It is an arithmetic number, because the mean of its divisors is an integer number (980316).

2^1960631 is an apocalyptic number.

1960631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960631 is an equidigital number, since it uses as much as digits as its factorization.

1960631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1960631 is about 1400.2253390080. The cubic root of 1960631 is about 125.1599233090.

The spelling of 1960631 in words is "one million, nine hundred sixty thousand, six hundred thirty-one".