452432331 has 16 divisors (see below), whose sum is σ = 721829920. Its totient is φ = 278419680.

The previous prime is 452432329. The next prime is 452432353. The reversal of 452432331 is 133234254.

It is not a de Polignac number, because 452432331 - 2¹ = 452432329 is a prime.

It is a super-2 number, since 2×452432331² = 409390028268187122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452432295 and 452432304.

It is not an unprimeable number, because it can be changed into a prime (452432311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644140 + ... + 644841.

It is an arithmetic number, because the mean of its divisors is an integer number (45114370).

Almost surely, 2^452432331 is an apocalyptic number.

452432331 is a deficient number, since it is larger than the sum of its proper divisors (269397589).

452432331 is a wasteful number, since it uses less digits than its factorization.

452432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289003 (or 1288997 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 452432331 is about 21270.4567651943. The cubic root of 452432331 is about 767.6876323678.

Adding to 452432331 its reverse (133234254), we get a palindrome (585666585).

It can be divided in two parts, 45243 and 2331, that added together give a palindrome (47574).

The spelling of 452432331 in words is "four hundred fifty-two million, four hundred thirty-two thousand, three hundred thirty-one".