531868471 has 2 divisors, whose sum is σ = 531868472. Its totient is φ = 531868470.

The previous prime is 531868459. The next prime is 531868481. The reversal of 531868471 is 174868135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531868471 - 2¹⁷ = 531737399 is a prime.

It is a super-3 number, since 3×531868471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531868411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265934235 + 265934236.

It is an arithmetic number, because the mean of its divisors is an integer number (265934236).

Almost surely, 2^531868471 is an apocalyptic number.

531868471 is a deficient number, since it is larger than the sum of its proper divisors (1).

531868471 is an equidigital number, since it uses as much as digits as its factorization.

531868471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 531868471 is about 23062.2737604079. The cubic root of 531868471 is about 810.2171195638.

The spelling of 531868471 in words is "five hundred thirty-one million, eight hundred sixty-eight thousand, four hundred seventy-one".