452505451 has 4 divisors (see below), whose sum is σ = 453527352. Its totient is φ = 451483552.

The previous prime is 452505437. The next prime is 452505457. The reversal of 452505451 is 154505254.

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 452505451 - 2¹⁷ = 452374379 is a prime.

It is a super-2 number, since 2×452505451² = 409522366369426802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452505457) 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 3 ways as a sum of consecutive naturals, for example, 510286 + ... + 511171.

It is an arithmetic number, because the mean of its divisors is an integer number (113381838).

Almost surely, 2^452505451 is an apocalyptic number.

452505451 is a deficient number, since it is larger than the sum of its proper divisors (1021901).

452505451 is a wasteful number, since it uses less digits than its factorization.

452505451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021900.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 452505451 is about 21272.1755116866. The cubic root of 452505451 is about 767.7289868364.

The spelling of 452505451 in words is "four hundred fifty-two million, five hundred five thousand, four hundred fifty-one".