451401401 has 16 divisors (see below), whose sum is σ = 505665600. Its totient is φ = 399409920.

The previous prime is 451401397. The next prime is 451401407. The reversal of 451401401 is 104104154.

It is a cyclic number.

It is not a de Polignac number, because 451401401 - 2² = 451401397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451401407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146525 + ... + 149573.

It is an arithmetic number, because the mean of its divisors is an integer number (31604100).

Almost surely, 2^451401401 is an apocalyptic number.

It is an amenable number.

451401401 is a deficient number, since it is larger than the sum of its proper divisors (54264199).

451401401 is a wasteful number, since it uses less digits than its factorization.

451401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 451401401 is about 21246.2090971542. The cubic root of 451401401 is about 767.1040945669.

Adding to 451401401 its reverse (104104154), we get a palindrome (555505555).

The spelling of 451401401 in words is "four hundred fifty-one million, four hundred one thousand, four hundred one".