2765251250 has 40 divisors (see below), whose sum is σ = 5229322956. Its totient is φ = 1096256000.

The previous prime is 2765251201. The next prime is 2765251261. The reversal of 2765251250 is 521525672.

It can be written as a sum of positive squares in 10 ways, for example, as 293471161 + 2471780089 = 17131^2 + 49717^2 .

It is a super-3 number, since 3×2765251250³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2765251250.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 131462 + ... + 151038.

Almost surely, 2^2765251250 is an apocalyptic number.

2765251250 is a deficient number, since it is larger than the sum of its proper divisors (2464071706).

2765251250 is a wasteful number, since it uses less digits than its factorization.

2765251250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19712 (or 19697 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2765251250 is about 52585.6563142460. The cubic root of 2765251250 is about 1403.6048680011.

The spelling of 2765251250 in words is "two billion, seven hundred sixty-five million, two hundred fifty-one thousand, two hundred fifty".