456505397 has 2 divisors, whose sum is σ = 456505398. Its totient is φ = 456505396.

The previous prime is 456505367. The next prime is 456505417. The reversal of 456505397 is 793505654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451095121 + 5410276 = 21239^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 456505397 - 2¹⁴ = 456489013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456505337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228252698 + 228252699.

It is an arithmetic number, because the mean of its divisors is an integer number (228252699).

Almost surely, 2^456505397 is an apocalyptic number.

It is an amenable number.

456505397 is a deficient number, since it is larger than the sum of its proper divisors (1).

456505397 is an equidigital number, since it uses as much as digits as its factorization.

456505397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 456505397 is about 21365.9869184646. The cubic root of 456505397 is about 769.9844810500.

The spelling of 456505397 in words is "four hundred fifty-six million, five hundred five thousand, three hundred ninety-seven".