2456401 has 2 divisors, whose sum is σ = 2456402. Its totient is φ = 2456400.

The previous prime is 2456383. The next prime is 2456407. The reversal of 2456401 is 1046542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 22801 = 1560^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456401 - 2⁹ = 2455889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2456407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228200 + 1228201.

It is an arithmetic number, because the mean of its divisors is an integer number (1228201).

2^2456401 is an apocalyptic number.

It is an amenable number.

2456401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456401 is an equidigital number, since it uses as much as digits as its factorization.

2456401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2456401 is about 1567.2909748990. The cubic root of 2456401 is about 134.9272767897.

The spelling of 2456401 in words is "two million, four hundred fifty-six thousand, four hundred one".