920951 has 2 divisors, whose sum is σ = 920952. Its totient is φ = 920950.

The previous prime is 920947. The next prime is 920957. The reversal of 920951 is 159029.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920951 - 2² = 920947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920951.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920951.

It is not a weakly prime, because it can be changed into another prime (920957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460475 + 460476.

It is an arithmetic number, because the mean of its divisors is an integer number (460476).

2⁹²⁰⁹⁵¹ is an apocalyptic number.

920951 is a deficient number, since it is larger than the sum of its proper divisors (1).

920951 is an equidigital number, since it uses as much as digits as its factorization.

920951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 920951 is about 959.6619196363. The cubic root of 920951 is about 97.2923831095.

The spelling of 920951 in words is "nine hundred twenty thousand, nine hundred fifty-one".