471297157 has 18 divisors (see below), whose sum is σ = 501595782. Its totient is φ = 442498896.

The previous prime is 471297139. The next prime is 471297161. The reversal of 471297157 is 751792174.

It can be written as a sum of positive squares in only one way, i.e., 458559396 + 12737761 = 21414^2 + 3569^2 .

It is not a de Polignac number, because 471297157 - 2¹⁵ = 471264389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471297187) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5678238 + ... + 5678320.

Almost surely, 2^471297157 is an apocalyptic number.

It is an amenable number.

471297157 is a deficient number, since it is larger than the sum of its proper divisors (30298625).

471297157 is an frugal number, since it uses more digits than its factorization.

471297157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 163 counting only the distinct ones).

The product of its digits is 123480, while the sum is 43.

The square root of 471297157 is about 21709.3794706343. The cubic root of 471297157 is about 778.2126271687.

The spelling of 471297157 in words is "four hundred seventy-one million, two hundred ninety-seven thousand, one hundred fifty-seven".