456921401 has 2 divisors, whose sum is σ = 456921402. Its totient is φ = 456921400.

The previous prime is 456921383. The next prime is 456921407. The reversal of 456921401 is 104129654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435807376 + 21114025 = 20876^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 456921401 - 2²⁶ = 389812537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (456921407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228460700 + 228460701.

It is an arithmetic number, because the mean of its divisors is an integer number (228460701).

Almost surely, 2^456921401 is an apocalyptic number.

It is an amenable number.

456921401 is a deficient number, since it is larger than the sum of its proper divisors (1).

456921401 is an equidigital number, since it uses as much as digits as its factorization.

456921401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 456921401 is about 21375.7198943100. The cubic root of 456921401 is about 770.2183003915.

The spelling of 456921401 in words is "four hundred fifty-six million, nine hundred twenty-one thousand, four hundred one".