457059397 has 4 divisors (see below), whose sum is σ = 464552236. Its totient is φ = 449566560.

The previous prime is 457059391. The next prime is 457059457. The reversal of 457059397 is 793950754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137686756 + 319372641 = 11734^2 + 17871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457059397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457059397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457059391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746328 + ... + 3746449.

It is an arithmetic number, because the mean of its divisors is an integer number (116138059).

Almost surely, 2^457059397 is an apocalyptic number.

It is an amenable number.

457059397 is a deficient number, since it is larger than the sum of its proper divisors (7492839).

457059397 is an equidigital number, since it uses as much as digits as its factorization.

457059397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492838.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 457059397 is about 21378.9475185286. The cubic root of 457059397 is about 770.2958311194.

The spelling of 457059397 in words is "four hundred fifty-seven million, fifty-nine thousand, three hundred ninety-seven".