265431254051 has 2 divisors, whose sum is σ = 265431254052. Its totient is φ = 265431254050.

The previous prime is 265431254047. The next prime is 265431254071. The reversal of 265431254051 is 150452134562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265431254051 - 2² = 265431254047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265431253996 and 265431254014.

It is not a weakly prime, because it can be changed into another prime (265431254041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132715627025 + 132715627026.

It is an arithmetic number, because the mean of its divisors is an integer number (132715627026).

Almost surely, 2^265431254051 is an apocalyptic number.

265431254051 is a deficient number, since it is larger than the sum of its proper divisors (1).

265431254051 is an equidigital number, since it uses as much as digits as its factorization.

265431254051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 265431254051 in words is "two hundred sixty-five billion, four hundred thirty-one million, two hundred fifty-four thousand, fifty-one".