452401687 has 2 divisors, whose sum is σ = 452401688. Its totient is φ = 452401686.

The previous prime is 452401657. The next prime is 452401751. The reversal of 452401687 is 786104254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452401687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452401657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226200843 + 226200844.

It is an arithmetic number, because the mean of its divisors is an integer number (226200844).

Almost surely, 2^452401687 is an apocalyptic number.

452401687 is a deficient number, since it is larger than the sum of its proper divisors (1).

452401687 is an equidigital number, since it uses as much as digits as its factorization.

452401687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 452401687 is about 21269.7364111547. The cubic root of 452401687 is about 767.6702997198.

The spelling of 452401687 in words is "four hundred fifty-two million, four hundred one thousand, six hundred eighty-seven".