472388641 has 2 divisors, whose sum is σ = 472388642. Its totient is φ = 472388640.

The previous prime is 472388611. The next prime is 472388647. The reversal of 472388641 is 146883274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403166241 + 69222400 = 20079^2 + 8320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472388641 is a prime.

It is not a weakly prime, because it can be changed into another prime (472388647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236194320 + 236194321.

It is an arithmetic number, because the mean of its divisors is an integer number (236194321).

Almost surely, 2^472388641 is an apocalyptic number.

It is an amenable number.

472388641 is a deficient number, since it is larger than the sum of its proper divisors (1).

472388641 is an equidigital number, since it uses as much as digits as its factorization.

472388641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 472388641 is about 21734.5034679884. The cubic root of 472388641 is about 778.8129220097.

The spelling of 472388641 in words is "four hundred seventy-two million, three hundred eighty-eight thousand, six hundred forty-one".