452302381 has 4 divisors (see below), whose sum is σ = 453114972. Its totient is φ = 451489792.

The previous prime is 452302363. The next prime is 452302387. The reversal of 452302381 is 183203254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82355625 + 369946756 = 9075^2 + 19234^2 .

It is a cyclic number.

It is not a de Polignac number, because 452302381 - 2¹¹ = 452300333 is a prime.

It is a super-2 number, since 2×452302381² = 409154887716538322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452302387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405460 + ... + 406573.

It is an arithmetic number, because the mean of its divisors is an integer number (113278743).

Almost surely, 2^452302381 is an apocalyptic number.

It is an amenable number.

452302381 is a deficient number, since it is larger than the sum of its proper divisors (812591).

452302381 is an equidigital number, since it uses as much as digits as its factorization.

452302381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812590.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 452302381 is about 21267.4018394349. The cubic root of 452302381 is about 767.6141255663.

The spelling of 452302381 in words is "four hundred fifty-two million, three hundred two thousand, three hundred eighty-one".