471183997 has 2 divisors, whose sum is σ = 471183998. Its totient is φ = 471183996.

The previous prime is 471183991. The next prime is 471184031. The reversal of 471183997 is 799381174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288014841 + 183169156 = 16971^2 + 13534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471183997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 471183997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471183991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235591998 + 235591999.

It is an arithmetic number, because the mean of its divisors is an integer number (235591999).

Almost surely, 2^471183997 is an apocalyptic number.

It is an amenable number.

471183997 is a deficient number, since it is larger than the sum of its proper divisors (1).

471183997 is an equidigital number, since it uses as much as digits as its factorization.

471183997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 49.

The square root of 471183997 is about 21706.7730674092. The cubic root of 471183997 is about 778.1503383780.

It can be divided in two parts, 47118 and 3997, that added together give a palindrome (51115).

The spelling of 471183997 in words is "four hundred seventy-one million, one hundred eighty-three thousand, nine hundred ninety-seven".