473518261 has 2 divisors, whose sum is σ = 473518262. Its totient is φ = 473518260.

The previous prime is 473518259. The next prime is 473518303. The reversal of 473518261 is 162815374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369600625 + 103917636 = 19225^2 + 10194^2 .

It is a cyclic number.

It is not a de Polignac number, because 473518261 - 2¹ = 473518259 is a prime.

Together with 473518259, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 473518261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473518231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236759130 + 236759131.

It is an arithmetic number, because the mean of its divisors is an integer number (236759131).

Almost surely, 2^473518261 is an apocalyptic number.

It is an amenable number.

473518261 is a deficient number, since it is larger than the sum of its proper divisors (1).

473518261 is an equidigital number, since it uses as much as digits as its factorization.

473518261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 473518261 is about 21760.4747420639. The cubic root of 473518261 is about 779.4332179904.

The spelling of 473518261 in words is "four hundred seventy-three million, five hundred eighteen thousand, two hundred sixty-one".