451054405 has 4 divisors (see below), whose sum is σ = 541265292. Its totient is φ = 360843520.

The previous prime is 451054399. The next prime is 451054411. The reversal of 451054405 is 504450154.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (451054399) and next prime (451054411).

It can be written as a sum of positive squares in 2 ways, for example, as 106543684 + 344510721 = 10322^2 + 18561^2 .

It is not a de Polignac number, because 451054405 - 2³ = 451054397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45105436 + ... + 45105445.

It is an arithmetic number, because the mean of its divisors is an integer number (135316323).

Almost surely, 2^451054405 is an apocalyptic number.

It is an amenable number.

451054405 is a deficient number, since it is larger than the sum of its proper divisors (90210887).

451054405 is an equidigital number, since it uses as much as digits as its factorization.

451054405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90210886.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 451054405 is about 21238.0414586656. The cubic root of 451054405 is about 766.9074844202.

The spelling of 451054405 in words is "four hundred fifty-one million, fifty-four thousand, four hundred five".