452321231 has 2 divisors, whose sum is σ = 452321232. Its totient is φ = 452321230.

The previous prime is 452321209. The next prime is 452321249. The reversal of 452321231 is 132123254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452321231 is a prime.

It is a super-2 number, since 2×452321231² = 409188992026710722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 452321197 and 452321206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452321291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226160615 + 226160616.

It is an arithmetic number, because the mean of its divisors is an integer number (226160616).

Almost surely, 2^452321231 is an apocalyptic number.

452321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

452321231 is an equidigital number, since it uses as much as digits as its factorization.

452321231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 452321231 is about 21267.8450013160. The cubic root of 452321231 is about 767.6247890264.

Adding to 452321231 its reverse (132123254), we get a palindrome (584444485).

The spelling of 452321231 in words is "four hundred fifty-two million, three hundred twenty-one thousand, two hundred thirty-one".