265250005 has 8 divisors (see below), whose sum is σ = 322329600. Its totient is φ = 209513616.

The previous prime is 265249991. The next prime is 265250057. The reversal of 265250005 is 500052562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265250005 - 2⁵ = 265249973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335365 + ... + 336154.

It is an arithmetic number, because the mean of its divisors is an integer number (40291200).

Almost surely, 2^265250005 is an apocalyptic number.

It is an amenable number.

265250005 is a deficient number, since it is larger than the sum of its proper divisors (57079595).

265250005 is an equidigital number, since it uses as much as digits as its factorization.

265250005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671603.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 265250005 is about 16286.4976284037. The cubic root of 265250005 is about 642.5177555187.

The spelling of 265250005 in words is "two hundred sixty-five million, two hundred fifty thousand, five".