472243297 has 2 divisors, whose sum is σ = 472243298. Its totient is φ = 472243296.

The previous prime is 472243267. The next prime is 472243301. The reversal of 472243297 is 792342274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252047376 + 220195921 = 15876^2 + 14839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472243297 is a prime.

It is a super-2 number, since 2×472243297² = 446027463122860418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (472243217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236121648 + 236121649.

It is an arithmetic number, because the mean of its divisors is an integer number (236121649).

Almost surely, 2^472243297 is an apocalyptic number.

It is an amenable number.

472243297 is a deficient number, since it is larger than the sum of its proper divisors (1).

472243297 is an equidigital number, since it uses as much as digits as its factorization.

472243297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 472243297 is about 21731.1595870998. The cubic root of 472243297 is about 778.7330390582.

The spelling of 472243297 in words is "four hundred seventy-two million, two hundred forty-three thousand, two hundred ninety-seven".