45566401 has 2 divisors, whose sum is σ = 45566402. Its totient is φ = 45566400.

The previous prime is 45566399. The next prime is 45566431. The reversal of 45566401 is 10466554.

45566401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 13133376 = 5695^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 45566401 - 2¹ = 45566399 is a prime.

Together with 45566399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45566431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22783200 + 22783201.

It is an arithmetic number, because the mean of its divisors is an integer number (22783201).

Almost surely, 2^45566401 is an apocalyptic number.

It is an amenable number.

45566401 is a deficient number, since it is larger than the sum of its proper divisors (1).

45566401 is an equidigital number, since it uses as much as digits as its factorization.

45566401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 45566401 is about 6750.2889567781. The cubic root of 45566401 is about 357.1754297378.

The spelling of 45566401 in words is "forty-five million, five hundred sixty-six thousand, four hundred one".