472636481 has 2 divisors, whose sum is σ = 472636482. Its totient is φ = 472636480.

The previous prime is 472636471. The next prime is 472636487. The reversal of 472636481 is 184636274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302203456 + 170433025 = 17384^2 + 13055^2 .

It is a cyclic number.

It is not a de Polignac number, because 472636481 - 2¹⁸ = 472374337 is a prime.

It is a super-2 number, since 2×472636481² = 446770486344126722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (472636487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236318240 + 236318241.

It is an arithmetic number, because the mean of its divisors is an integer number (236318241).

Almost surely, 2^472636481 is an apocalyptic number.

It is an amenable number.

472636481 is a deficient number, since it is larger than the sum of its proper divisors (1).

472636481 is an equidigital number, since it uses as much as digits as its factorization.

472636481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 472636481 is about 21740.2042538703. The cubic root of 472636481 is about 778.9491003110.

The spelling of 472636481 in words is "four hundred seventy-two million, six hundred thirty-six thousand, four hundred eighty-one".