2751997250 has 16 divisors (see below), whose sum is σ = 5151739320. Its totient is φ = 1100798800.

The previous prime is 2751997231. The next prime is 2751997273. The reversal of 2751997250 is 527991572.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 243890689 + 2508106561 = 15617^2 + 50081^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2751997195 and 2751997204.

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, 5503745 + ... + 5504244.

Almost surely, 2^2751997250 is an apocalyptic number.

2751997250 is a deficient number, since it is larger than the sum of its proper divisors (2399742070).

2751997250 is a wasteful number, since it uses less digits than its factorization.

2751997250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008006 (or 11007996 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 47.

The square root of 2751997250 is about 52459.4819837177. The cubic root of 2751997250 is about 1401.3587573743.

It can be divided in two parts, 2751 and 997250, that added together give a palindrome (1000001).

The spelling of 2751997250 in words is "two billion, seven hundred fifty-one million, nine hundred ninety-seven thousand, two hundred fifty".