531097267 has 2 divisors, whose sum is σ = 531097268. Its totient is φ = 531097266.

The previous prime is 531097249. The next prime is 531097283. The reversal of 531097267 is 762790135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531097267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (531092267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265548633 + 265548634.

It is an arithmetic number, because the mean of its divisors is an integer number (265548634).

Almost surely, 2^531097267 is an apocalyptic number.

531097267 is a deficient number, since it is larger than the sum of its proper divisors (1).

531097267 is an equidigital number, since it uses as much as digits as its factorization.

531097267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 531097267 is about 23045.5476610993. The cubic root of 531097267 is about 809.8253278795.

The spelling of 531097267 in words is "five hundred thirty-one million, ninety-seven thousand, two hundred sixty-seven".