265253415251 has 16 divisors (see below), whose sum is σ = 297306309120. Its totient is φ = 234528864480.

The previous prime is 265253415233. The next prime is 265253415281. The reversal of 265253415251 is 152514352562.

It is a cyclic number.

It is not a de Polignac number, because 265253415251 - 2¹⁰ = 265253414227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265253415199 and 265253415208.

It is not an unprimeable number, because it can be changed into a prime (265253415281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905030 + ... + 1161716.

It is an arithmetic number, because the mean of its divisors is an integer number (18581644320).

Almost surely, 2^265253415251 is an apocalyptic number.

265253415251 is a deficient number, since it is larger than the sum of its proper divisors (32052893869).

265253415251 is a wasteful number, since it uses less digits than its factorization.

265253415251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259274.

The product of its digits is 360000, while the sum is 41.

The spelling of 265253415251 in words is "two hundred sixty-five billion, two hundred fifty-three million, four hundred fifteen thousand, two hundred fifty-one".