452401657 has 2 divisors, whose sum is σ = 452401658. Its totient is φ = 452401656.

The previous prime is 452401643. The next prime is 452401687. The reversal of 452401657 is 756104254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255392361 + 197009296 = 15981^2 + 14036^2 .

It is a cyclic number.

It is not a de Polignac number, because 452401657 - 2⁷ = 452401529 is a prime.

It is equal to p_23973451 and since 452401657 and 23973451 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (452401687) 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 as a sum of consecutive naturals, namely, 226200828 + 226200829.

It is an arithmetic number, because the mean of its divisors is an integer number (226200829).

Almost surely, 2^452401657 is an apocalyptic number.

It is an amenable number.

452401657 is a deficient number, since it is larger than the sum of its proper divisors (1).

452401657 is an equidigital number, since it uses as much as digits as its factorization.

452401657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 452401657 is about 21269.7357059273. The cubic root of 452401657 is about 767.6702827510.

The spelling of 452401657 in words is "four hundred fifty-two million, four hundred one thousand, six hundred fifty-seven".