531899479 has 2 divisors, whose sum is σ = 531899480. Its totient is φ = 531899478.

The previous prime is 531899453. The next prime is 531899483. The reversal of 531899479 is 974998135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531899479 - 2⁵ = 531899447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531899419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265949739 + 265949740.

It is an arithmetic number, because the mean of its divisors is an integer number (265949740).

Almost surely, 2^531899479 is an apocalyptic number.

531899479 is a deficient number, since it is larger than the sum of its proper divisors (1).

531899479 is an equidigital number, since it uses as much as digits as its factorization.

531899479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 531899479 is about 23062.9460173673. The cubic root of 531899479 is about 810.2328645118.

The spelling of 531899479 in words is "five hundred thirty-one million, eight hundred ninety-nine thousand, four hundred seventy-nine".