538342471 has 2 divisors, whose sum is σ = 538342472. Its totient is φ = 538342470.

The previous prime is 538342463. The next prime is 538342501. The reversal of 538342471 is 174243835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538342471 - 2³ = 538342463 is a prime.

It is a super-3 number, since 3×538342471³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 538342471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538342411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269171235 + 269171236.

It is an arithmetic number, because the mean of its divisors is an integer number (269171236).

Almost surely, 2^538342471 is an apocalyptic number.

538342471 is a deficient number, since it is larger than the sum of its proper divisors (1).

538342471 is an equidigital number, since it uses as much as digits as its factorization.

538342471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 538342471 is about 23202.2083216232. The cubic root of 538342471 is about 813.4912410453.

The spelling of 538342471 in words is "five hundred thirty-eight million, three hundred forty-two thousand, four hundred seventy-one".