452505398 has 4 divisors (see below), whose sum is σ = 678758100. Its totient is φ = 226252698.

The previous prime is 452505379. The next prime is 452505407. The reversal of 452505398 is 893505254.

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

It is a super-2 number, since 2×452505398² = 409522270438276808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113126348 + ... + 113126351.

It is an arithmetic number, because the mean of its divisors is an integer number (169689525).

Almost surely, 2^452505398 is an apocalyptic number.

452505398 is a deficient number, since it is larger than the sum of its proper divisors (226252702).

452505398 is a wasteful number, since it uses less digits than its factorization.

452505398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226252701.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 452505398 is about 21272.1742659278. The cubic root of 452505398 is about 767.7289568628.

The spelling of 452505398 in words is "four hundred fifty-two million, five hundred five thousand, three hundred ninety-eight".