452157697 has 2 divisors, whose sum is σ = 452157698. Its totient is φ = 452157696.

The previous prime is 452157691. The next prime is 452157701. The reversal of 452157697 is 796751254.

It is a Cunningham number, because it is equal to 21264²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452157696 + 1 = 21264^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 452157697 - 2²³ = 443769089 is a prime.

It is not a weakly prime, because it can be changed into another prime (452157691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226078848 + 226078849.

It is an arithmetic number, because the mean of its divisors is an integer number (226078849).

Almost surely, 2^452157697 is an apocalyptic number.

It is an amenable number.

452157697 is a deficient number, since it is larger than the sum of its proper divisors (1).

452157697 is an equidigital number, since it uses as much as digits as its factorization.

452157697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 452157697 is about 21264.0000235139. Note that the first 4 decimals coincide. The cubic root of 452157697 is about 767.5322678451.

The spelling of 452157697 in words is "four hundred fifty-two million, one hundred fifty-seven thousand, six hundred ninety-seven".