2505123265 has 8 divisors (see below), whose sum is σ = 3070108800. Its totient is φ = 1961458032.

The previous prime is 2505123217. The next prime is 2505123277. The reversal of 2505123265 is 5623215052.

It is a happy number.

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 2505123265 - 2¹³ = 2505115073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5329815 + ... + 5330284.

It is an arithmetic number, because the mean of its divisors is an integer number (383763600).

Almost surely, 2^2505123265 is an apocalyptic number.

It is an amenable number.

2505123265 is a deficient number, since it is larger than the sum of its proper divisors (564985535).

2505123265 is a wasteful number, since it uses less digits than its factorization.

2505123265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10660151.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2505123265 is about 50051.2064290163. The cubic root of 2505123265 is about 1358.1352877568.

The spelling of 2505123265 in words is "two billion, five hundred five million, one hundred twenty-three thousand, two hundred sixty-five".