2505466265 has 4 divisors (see below), whose sum is σ = 3006559524. Its totient is φ = 2004373008.

The previous prime is 2505466259. The next prime is 2505466279. The reversal of 2505466265 is 5626645052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524593216 + 1980873049 = 22904^2 + 44507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505466265 - 2²⁰ = 2504417689 is a prime.

It is a super-2 number, since 2×2505466265² = 12554722410106100450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250546622 + ... + 250546631.

It is an arithmetic number, because the mean of its divisors is an integer number (751639881).

Almost surely, 2^2505466265 is an apocalyptic number.

It is an amenable number.

2505466265 is a deficient number, since it is larger than the sum of its proper divisors (501093259).

2505466265 is an equidigital number, since it uses as much as digits as its factorization.

2505466265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501093258.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 2505466265 is about 50054.6328025688. The cubic root of 2505466265 is about 1358.1972699555.

It can be divided in two parts, 25054 and 66265, that added together give a palindrome (91319).

The spelling of 2505466265 in words is "two billion, five hundred five million, four hundred sixty-six thousand, two hundred sixty-five".