452820231 has 12 divisors (see below), whose sum is σ = 667990752. Its totient is φ = 295456896.

The previous prime is 452820227. The next prime is 452820253. The reversal of 452820231 is 132028254.

452820231 is a `hidden beast` number, since 452 + 8 + 202 + 3 + 1 = 666.

It is not a de Polignac number, because 452820231 - 2² = 452820227 is a prime.

It is a super-2 number, since 2×452820231² = 410092323205786722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 452820195 and 452820204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452820631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534826 + ... + 535671.

It is an arithmetic number, because the mean of its divisors is an integer number (55665896).

Almost surely, 2^452820231 is an apocalyptic number.

452820231 is a deficient number, since it is larger than the sum of its proper divisors (215170521).

452820231 is a wasteful number, since it uses less digits than its factorization.

452820231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070550 (or 1070547 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 452820231 is about 21279.5730925223. The cubic root of 452820231 is about 767.9069660661.

Adding to 452820231 its reverse (132028254), we get a palindrome (584848485).

The spelling of 452820231 in words is "four hundred fifty-two million, eight hundred twenty thousand, two hundred thirty-one".