472521449 has 2 divisors, whose sum is σ = 472521450. Its totient is φ = 472521448.

The previous prime is 472521419. The next prime is 472521463. The reversal of 472521449 is 944125274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379977049 + 92544400 = 19493^2 + 9620^2 .

It is a cyclic number.

It is not a de Polignac number, because 472521449 - 2⁸ = 472521193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472521419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236260724 + 236260725.

It is an arithmetic number, because the mean of its divisors is an integer number (236260725).

Almost surely, 2^472521449 is an apocalyptic number.

It is an amenable number.

472521449 is a deficient number, since it is larger than the sum of its proper divisors (1).

472521449 is an equidigital number, since it uses as much as digits as its factorization.

472521449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 472521449 is about 21737.5584875579. The cubic root of 472521449 is about 778.8859006873.

The spelling of 472521449 in words is "four hundred seventy-two million, five hundred twenty-one thousand, four hundred forty-nine".