538634311 has 2 divisors, whose sum is σ = 538634312. Its totient is φ = 538634310.

The previous prime is 538634279. The next prime is 538634321. The reversal of 538634311 is 113436835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538634311 - 2⁵ = 538634279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538634321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269317155 + 269317156.

It is an arithmetic number, because the mean of its divisors is an integer number (269317156).

Almost surely, 2^538634311 is an apocalyptic number.

538634311 is a deficient number, since it is larger than the sum of its proper divisors (1).

538634311 is an equidigital number, since it uses as much as digits as its factorization.

538634311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 538634311 is about 23208.4965260570. The cubic root of 538634311 is about 813.6382146473.

The spelling of 538634311 in words is "five hundred thirty-eight million, six hundred thirty-four thousand, three hundred eleven".