472215841 has 2 divisors, whose sum is σ = 472215842. Its totient is φ = 472215840.

The previous prime is 472215833. The next prime is 472215883. The reversal of 472215841 is 148512274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350775441 + 121440400 = 18729^2 + 11020^2 .

It is a cyclic number.

It is not a de Polignac number, because 472215841 - 2³ = 472215833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472215797 and 472215806.

It is not a weakly prime, because it can be changed into another prime (472215811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236107920 + 236107921.

It is an arithmetic number, because the mean of its divisors is an integer number (236107921).

Almost surely, 2^472215841 is an apocalyptic number.

It is an amenable number.

472215841 is a deficient number, since it is larger than the sum of its proper divisors (1).

472215841 is an equidigital number, since it uses as much as digits as its factorization.

472215841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 34.

The square root of 472215841 is about 21730.5278582919. The cubic root of 472215841 is about 778.7179470433.

The spelling of 472215841 in words is "four hundred seventy-two million, two hundred fifteen thousand, eight hundred forty-one".