538956371 has 2 divisors, whose sum is σ = 538956372. Its totient is φ = 538956370.

The previous prime is 538956317. The next prime is 538956373. The reversal of 538956371 is 173659835.

Together with previous prime (538956317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538956371 is a prime.

It is a Sophie Germain prime.

Together with 538956373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (538956373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269478185 + 269478186.

It is an arithmetic number, because the mean of its divisors is an integer number (269478186).

Almost surely, 2^538956371 is an apocalyptic number.

538956371 is a deficient number, since it is larger than the sum of its proper divisors (1).

538956371 is an equidigital number, since it uses as much as digits as its factorization.

538956371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 47.

The square root of 538956371 is about 23215.4338964405. The cubic root of 538956371 is about 813.8003457438.

The spelling of 538956371 in words is "five hundred thirty-eight million, nine hundred fifty-six thousand, three hundred seventy-one".