531554425247 has 2 divisors, whose sum is σ = 531554425248. Its totient is φ = 531554425246.

The previous prime is 531554425141. The next prime is 531554425267. The reversal of 531554425247 is 742524455135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531554425247 - 2¹⁰ = 531554424223 is a prime.

It is a super-2 number, since 2×531554425247² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531554425267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265777212623 + 265777212624.

It is an arithmetic number, because the mean of its divisors is an integer number (265777212624).

Almost surely, 2^531554425247 is an apocalyptic number.

531554425247 is a deficient number, since it is larger than the sum of its proper divisors (1).

531554425247 is an equidigital number, since it uses as much as digits as its factorization.

531554425247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360000, while the sum is 47.

The spelling of 531554425247 in words is "five hundred thirty-one billion, five hundred fifty-four million, four hundred twenty-five thousand, two hundred forty-seven".