2051298265 has 8 divisors (see below), whose sum is σ = 2521596168. Its totient is φ = 1601013120.

The previous prime is 2051298259. The next prime is 2051298289. The reversal of 2051298265 is 5628921502.

It can be written as a sum of positive squares in 4 ways, for example, as 339738624 + 1711559641 = 18432^2 + 41371^2 .

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

It is not a de Polignac number, because 2051298265 - 2⁵ = 2051298233 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, 5002962 + ... + 5003371.

It is an arithmetic number, because the mean of its divisors is an integer number (315199521).

Almost surely, 2^2051298265 is an apocalyptic number.

It is an amenable number.

2051298265 is a deficient number, since it is larger than the sum of its proper divisors (470297903).

2051298265 is a wasteful number, since it uses less digits than its factorization.

2051298265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006379.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2051298265 is about 45291.2603600297. The cubic root of 2051298265 is about 1270.6022037092.

The spelling of 2051298265 in words is "two billion, fifty-one million, two hundred ninety-eight thousand, two hundred sixty-five".