451430413 has 4 divisors (see below), whose sum is σ = 515920480. Its totient is φ = 386940348.

The previous prime is 451430381. The next prime is 451430423. The reversal of 451430413 is 314034154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 451430413 - 2⁵ = 451430381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451430423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32245023 + ... + 32245036.

It is an arithmetic number, because the mean of its divisors is an integer number (128980120).

Almost surely, 2^451430413 is an apocalyptic number.

It is an amenable number.

451430413 is a deficient number, since it is larger than the sum of its proper divisors (64490067).

451430413 is an equidigital number, since it uses as much as digits as its factorization.

451430413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64490066.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 451430413 is about 21246.8918432791. The cubic root of 451430413 is about 767.1205283862.

Adding to 451430413 its reverse (314034154), we get a palindrome (765464567).

The spelling of 451430413 in words is "four hundred fifty-one million, four hundred thirty thousand, four hundred thirteen".