457252797 has 4 divisors (see below), whose sum is σ = 609670400. Its totient is φ = 304835196.

The previous prime is 457252777. The next prime is 457252799. The reversal of 457252797 is 797252754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 457252797 - 2²² = 453058493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457252799) 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 in 3 ways as a sum of consecutive naturals, for example, 76208797 + ... + 76208802.

It is an arithmetic number, because the mean of its divisors is an integer number (152417600).

Almost surely, 2^457252797 is an apocalyptic number.

It is an amenable number.

457252797 is a deficient number, since it is larger than the sum of its proper divisors (152417603).

457252797 is a wasteful number, since it uses less digits than its factorization.

457252797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152417602.

The product of its digits is 1234800, while the sum is 48.

The square root of 457252797 is about 21383.4701814275. The cubic root of 457252797 is about 770.4044633943.

The spelling of 457252797 in words is "four hundred fifty-seven million, two hundred fifty-two thousand, seven hundred ninety-seven".