457551797 has 2 divisors, whose sum is σ = 457551798. Its totient is φ = 457551796.

The previous prime is 457551791. The next prime is 457551823. The reversal of 457551797 is 797155754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456847876 + 703921 = 21374^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 457551797 - 2⁴ = 457551781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457551791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228775898 + 228775899.

It is an arithmetic number, because the mean of its divisors is an integer number (228775899).

Almost surely, 2^457551797 is an apocalyptic number.

It is an amenable number.

457551797 is a deficient number, since it is larger than the sum of its proper divisors (1).

457551797 is an equidigital number, since it uses as much as digits as its factorization.

457551797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1543500, while the sum is 50.

The square root of 457551797 is about 21390.4604204772. The cubic root of 457551797 is about 770.5723506440.

The spelling of 457551797 in words is "four hundred fifty-seven million, five hundred fifty-one thousand, seven hundred ninety-seven".