456953921 has 2 divisors, whose sum is σ = 456953922. Its totient is φ = 456953920.

The previous prime is 456953891. The next prime is 456953929. The reversal of 456953921 is 129359654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270931600 + 186022321 = 16460^2 + 13639^2 .

It is a cyclic number.

It is not a de Polignac number, because 456953921 - 2²² = 452759617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (456953929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228476960 + 228476961.

It is an arithmetic number, because the mean of its divisors is an integer number (228476961).

Almost surely, 2^456953921 is an apocalyptic number.

It is an amenable number.

456953921 is a deficient number, since it is larger than the sum of its proper divisors (1).

456953921 is an equidigital number, since it uses as much as digits as its factorization.

456953921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 456953921 is about 21376.4805569111. The cubic root of 456953921 is about 770.2365726114.

The spelling of 456953921 in words is "four hundred fifty-six million, nine hundred fifty-three thousand, nine hundred twenty-one".