538471291 has 2 divisors, whose sum is σ = 538471292. Its totient is φ = 538471290.

The previous prime is 538471279. The next prime is 538471301. The reversal of 538471291 is 192174835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538471291 - 2⁵ = 538471259 is a prime.

It is not a weakly prime, because it can be changed into another prime (538471261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269235645 + 269235646.

It is an arithmetic number, because the mean of its divisors is an integer number (269235646).

Almost surely, 2^538471291 is an apocalyptic number.

538471291 is a deficient number, since it is larger than the sum of its proper divisors (1).

538471291 is an equidigital number, since it uses as much as digits as its factorization.

538471291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 538471291 is about 23204.9841844376. The cubic root of 538471291 is about 813.5561226586.

The spelling of 538471291 in words is "five hundred thirty-eight million, four hundred seventy-one thousand, two hundred ninety-one".