531425554423 has 2 divisors, whose sum is σ = 531425554424. Its totient is φ = 531425554422.

The previous prime is 531425554397. The next prime is 531425554523. The reversal of 531425554423 is 324455524135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531425554423 - 2¹³ = 531425546231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531425554423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531425554523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265712777211 + 265712777212.

It is an arithmetic number, because the mean of its divisors is an integer number (265712777212).

Almost surely, 2^531425554423 is an apocalyptic number.

531425554423 is a deficient number, since it is larger than the sum of its proper divisors (1).

531425554423 is an equidigital number, since it uses as much as digits as its factorization.

531425554423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440000, while the sum is 43.

The spelling of 531425554423 in words is "five hundred thirty-one billion, four hundred twenty-five million, five hundred fifty-four thousand, four hundred twenty-three".