472802569 has 2 divisors, whose sum is σ = 472802570. Its totient is φ = 472802568.

The previous prime is 472802567. The next prime is 472802579. The reversal of 472802569 is 965208274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252428544 + 220374025 = 15888^2 + 14845^2 .

It is a cyclic number.

It is not a de Polignac number, because 472802569 - 2¹ = 472802567 is a prime.

It is a super-2 number, since 2×472802569² = 447084538505999522, which contains 22 as substring.

Together with 472802567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (472802567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236401284 + 236401285.

It is an arithmetic number, because the mean of its divisors is an integer number (236401285).

Almost surely, 2^472802569 is an apocalyptic number.

It is an amenable number.

472802569 is a deficient number, since it is larger than the sum of its proper divisors (1).

472802569 is an equidigital number, since it uses as much as digits as its factorization.

472802569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 472802569 is about 21744.0237536662. The cubic root of 472802569 is about 779.0403324750.

The spelling of 472802569 in words is "four hundred seventy-two million, eight hundred two thousand, five hundred sixty-nine".