465781401 has 8 divisors (see below), whose sum is σ = 690046560. Its totient is φ = 310520916.

The previous prime is 465781363. The next prime is 465781427. The reversal of 465781401 is 104187564.

It is a happy number.

465781401 is a `hidden beast` number, since 46 + 578 + 1 + 40 + 1 = 666.

It is not a de Polignac number, because 465781401 - 2⁷ = 465781273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (465781201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8625555 + ... + 8625608.

It is an arithmetic number, because the mean of its divisors is an integer number (86255820).

Almost surely, 2^465781401 is an apocalyptic number.

It is an amenable number.

465781401 is a deficient number, since it is larger than the sum of its proper divisors (224265159).

465781401 is a wasteful number, since it uses less digits than its factorization.

465781401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17251172 (or 17251166 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 465781401 is about 21581.9693494361. The cubic root of 465781401 is about 775.1648076836.

The spelling of 465781401 in words is "four hundred sixty-five million, seven hundred eighty-one thousand, four hundred one".