5251265265 has 16 divisors (see below), whose sum is σ = 8403683328. Its totient is φ = 2800121856.

The previous prime is 5251265249. The next prime is 5251265267. The reversal of 5251265265 is 5625621525.

It is not a de Polignac number, because 5251265265 - 2⁴ = 5251265249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5251265267) 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, 50737 + ... + 114353.

It is an arithmetic number, because the mean of its divisors is an integer number (525230208).

Almost surely, 2^5251265265 is an apocalyptic number.

It is an amenable number.

5251265265 is a deficient number, since it is larger than the sum of its proper divisors (3152418063).

5251265265 is a wasteful number, since it uses less digits than its factorization.

5251265265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69128.

The product of its digits is 180000, while the sum is 39.

The square root of 5251265265 is about 72465.6143629515. The cubic root of 5251265265 is about 1738.1529332871.

The spelling of 5251265265 in words is "five billion, two hundred fifty-one million, two hundred sixty-five thousand, two hundred sixty-five".