471570997 has 4 divisors (see below), whose sum is σ = 471875040. Its totient is φ = 471266956.

The previous prime is 471570959. The next prime is 471571003. The reversal of 471570997 is 799075174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 471570997 - 2¹⁵ = 471538229 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 471570997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471570907) 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, 149683 + ... + 152800.

It is an arithmetic number, because the mean of its divisors is an integer number (117968760).

Almost surely, 2^471570997 is an apocalyptic number.

It is an amenable number.

471570997 is a deficient number, since it is larger than the sum of its proper divisors (304043).

471570997 is a wasteful number, since it uses less digits than its factorization.

471570997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304042.

The product of its (nonzero) digits is 555660, while the sum is 49.

The square root of 471570997 is about 21715.6855061036. The cubic root of 471570997 is about 778.3633208319.

The spelling of 471570997 in words is "four hundred seventy-one million, five hundred seventy thousand, nine hundred ninety-seven".