457371647 has 2 divisors, whose sum is σ = 457371648. Its totient is φ = 457371646.

The previous prime is 457371641. The next prime is 457371659. The reversal of 457371647 is 746173754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457371647 - 2⁸ = 457371391 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 457371598 and 457371607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457371641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228685823 + 228685824.

It is an arithmetic number, because the mean of its divisors is an integer number (228685824).

Almost surely, 2^457371647 is an apocalyptic number.

457371647 is a deficient number, since it is larger than the sum of its proper divisors (1).

457371647 is an equidigital number, since it uses as much as digits as its factorization.

457371647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The square root of 457371647 is about 21386.2490165994. The cubic root of 457371647 is about 770.4712059338.

The spelling of 457371647 in words is "four hundred fifty-seven million, three hundred seventy-one thousand, six hundred forty-seven".