531464347 has 2 divisors, whose sum is σ = 531464348. Its totient is φ = 531464346.

The previous prime is 531464321. The next prime is 531464357. The reversal of 531464347 is 743464135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531464347 is a prime.

It is not a weakly prime, because it can be changed into another prime (531464317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265732173 + 265732174.

It is an arithmetic number, because the mean of its divisors is an integer number (265732174).

Almost surely, 2^531464347 is an apocalyptic number.

531464347 is a deficient number, since it is larger than the sum of its proper divisors (1).

531464347 is an equidigital number, since it uses as much as digits as its factorization.

531464347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 531464347 is about 23053.5105135856. The cubic root of 531464347 is about 810.0118613312.

The spelling of 531464347 in words is "five hundred thirty-one million, four hundred sixty-four thousand, three hundred forty-seven".