2751212249 has 2 divisors, whose sum is σ = 2751212250. Its totient is φ = 2751212248.

The previous prime is 2751212239. The next prime is 2751212333. The reversal of 2751212249 is 9422121572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2021131849 + 730080400 = 44957^2 + 27020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2751212249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2751212239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375606124 + 1375606125.

It is an arithmetic number, because the mean of its divisors is an integer number (1375606125).

Almost surely, 2^2751212249 is an apocalyptic number.

It is an amenable number.

2751212249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751212249 is an equidigital number, since it uses as much as digits as its factorization.

2751212249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 2751212249 is about 52451.9994757111. Note that the first 3 decimals coincide. The cubic root of 2751212249 is about 1401.2254998962.

The spelling of 2751212249 in words is "two billion, seven hundred fifty-one million, two hundred twelve thousand, two hundred forty-nine".