451254451 has 4 divisors (see below), whose sum is σ = 451360504. Its totient is φ = 451148400.

The previous prime is 451254449. The next prime is 451254481. The reversal of 451254451 is 154452154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 451254451 - 2¹ = 451254449 is a prime.

It is a super-2 number, since 2×451254451² = 407261159094622802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451254421) 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, 46365 + ... + 55246.

It is an arithmetic number, because the mean of its divisors is an integer number (112840126).

Almost surely, 2^451254451 is an apocalyptic number.

451254451 is a deficient number, since it is larger than the sum of its proper divisors (106053).

451254451 is a wasteful number, since it uses less digits than its factorization.

451254451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106052.

The product of its digits is 16000, while the sum is 31.

The square root of 451254451 is about 21242.7505516588. The cubic root of 451254451 is about 767.0208440638.

The spelling of 451254451 in words is "four hundred fifty-one million, two hundred fifty-four thousand, four hundred fifty-one".