472739497 has 2 divisors, whose sum is σ = 472739498. Its totient is φ = 472739496.

The previous prime is 472739479. The next prime is 472739563. The reversal of 472739497 is 794937274.

Together with previous prime (472739479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280529001 + 192210496 = 16749^2 + 13864^2 .

It is a cyclic number.

It is not a de Polignac number, because 472739497 - 2⁷ = 472739369 is a prime.

It is not a weakly prime, because it can be changed into another prime (472739467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236369748 + 236369749.

It is an arithmetic number, because the mean of its divisors is an integer number (236369749).

Almost surely, 2^472739497 is an apocalyptic number.

It is an amenable number.

472739497 is a deficient number, since it is larger than the sum of its proper divisors (1).

472739497 is an equidigital number, since it uses as much as digits as its factorization.

472739497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 52.

The square root of 472739497 is about 21742.5733757529. The cubic root of 472739497 is about 779.0056895323.

The spelling of 472739497 in words is "four hundred seventy-two million, seven hundred thirty-nine thousand, four hundred ninety-seven".