265431254603 has 2 divisors, whose sum is σ = 265431254604. Its totient is φ = 265431254602.

The previous prime is 265431254563. The next prime is 265431254629. The reversal of 265431254603 is 306452134562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265431254603 - 2³⁰ = 264357512779 is a prime.

It is not a weakly prime, because it can be changed into another prime (265431254653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132715627301 + 132715627302.

It is an arithmetic number, because the mean of its divisors is an integer number (132715627302).

Almost surely, 2^265431254603 is an apocalyptic number.

265431254603 is a deficient number, since it is larger than the sum of its proper divisors (1).

265431254603 is an equidigital number, since it uses as much as digits as its factorization.

265431254603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 265431254603 in words is "two hundred sixty-five billion, four hundred thirty-one million, two hundred fifty-four thousand, six hundred three".