452394431 has 4 divisors (see below), whose sum is σ = 454336272. Its totient is φ = 450452592.

The previous prime is 452394407. The next prime is 452394457. The reversal of 452394431 is 134493254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452394431 is a prime.

It is a super-2 number, since 2×452394431² = 409321442399627522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452394391 and 452394400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452394331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970571 + ... + 971036.

It is an arithmetic number, because the mean of its divisors is an integer number (113584068).

Almost surely, 2^452394431 is an apocalyptic number.

452394431 is a deficient number, since it is larger than the sum of its proper divisors (1941841).

452394431 is a wasteful number, since it uses less digits than its factorization.

452394431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941840.

The product of its digits is 51840, while the sum is 35.

The square root of 452394431 is about 21269.5658394806. The cubic root of 452394431 is about 767.6661955165. Note that the first 3 decimals are identical.

The spelling of 452394431 in words is "four hundred fifty-two million, three hundred ninety-four thousand, four hundred thirty-one".