452400287 has 2 divisors, whose sum is σ = 452400288. Its totient is φ = 452400286.

The previous prime is 452400283. The next prime is 452400349. The reversal of 452400287 is 782004254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452400287 - 2² = 452400283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452400283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226200143 + 226200144.

It is an arithmetic number, because the mean of its divisors is an integer number (226200144).

Almost surely, 2^452400287 is an apocalyptic number.

452400287 is a deficient number, since it is larger than the sum of its proper divisors (1).

452400287 is an equidigital number, since it uses as much as digits as its factorization.

452400287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 452400287 is about 21269.7035005192. The cubic root of 452400287 is about 767.6695078428.

The spelling of 452400287 in words is "four hundred fifty-two million, four hundred thousand, two hundred eighty-seven".