538472897 has 2 divisors, whose sum is σ = 538472898. Its totient is φ = 538472896.

The previous prime is 538472887. The next prime is 538472923. The reversal of 538472897 is 798274835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394856641 + 143616256 = 19871^2 + 11984^2 .

It is a cyclic number.

It is not a de Polignac number, because 538472897 - 2⁶ = 538472833 is a prime.

It is not a weakly prime, because it can be changed into another prime (538472887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269236448 + 269236449.

It is an arithmetic number, because the mean of its divisors is an integer number (269236449).

Almost surely, 2^538472897 is an apocalyptic number.

It is an amenable number.

538472897 is a deficient number, since it is larger than the sum of its proper divisors (1).

538472897 is an equidigital number, since it uses as much as digits as its factorization.

538472897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The square root of 538472897 is about 23205.0187890465. The cubic root of 538472897 is about 813.5569314729.

The spelling of 538472897 in words is "five hundred thirty-eight million, four hundred seventy-two thousand, eight hundred ninety-seven".