450255431 has 2 divisors, whose sum is σ = 450255432. Its totient is φ = 450255430.

The previous prime is 450255427. The next prime is 450255437. The reversal of 450255431 is 134552054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450255431 - 2² = 450255427 is a prime.

It is a super-2 number, since 2×450255431² = 405459906289991522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 450255394 and 450255403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450255437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225127715 + 225127716.

It is an arithmetic number, because the mean of its divisors is an integer number (225127716).

Almost surely, 2^450255431 is an apocalyptic number.

450255431 is a deficient number, since it is larger than the sum of its proper divisors (1).

450255431 is an equidigital number, since it uses as much as digits as its factorization.

450255431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 450255431 is about 21219.2231478912. The cubic root of 450255431 is about 766.4543969571.

The spelling of 450255431 in words is "four hundred fifty million, two hundred fifty-five thousand, four hundred thirty-one".