3126505265 has 8 divisors (see below), whose sum is σ = 4040406888. Its totient is φ = 2308803840.

The previous prime is 3126505231. The next prime is 3126505303. The reversal of 3126505265 is 5625056213.

It can be written as a sum of positive squares in 4 ways, for example, as 27133681 + 3099371584 = 5209^2 + 55672^2 .

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

It is not a de Polignac number, because 3126505265 - 2⁶ = 3126505201 is a prime.

It is a Duffinian 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, 24049976 + ... + 24050105.

It is an arithmetic number, because the mean of its divisors is an integer number (505050861).

Almost surely, 2^3126505265 is an apocalyptic number.

It is an amenable number.

3126505265 is a deficient number, since it is larger than the sum of its proper divisors (913901623).

3126505265 is a wasteful number, since it uses less digits than its factorization.

3126505265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48100099.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 3126505265 is about 55915.1613160509. The cubic root of 3126505265 is about 1462.2435739091.

The spelling of 3126505265 in words is "three billion, one hundred twenty-six million, five hundred five thousand, two hundred sixty-five".