2751997 has 2 divisors, whose sum is σ = 2751998. Its totient is φ = 2751996.

The previous prime is 2751989. The next prime is 2752003. The reversal of 2751997 is 7991572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 872356 = 1371^2 + 934^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751997 - 2³ = 2751989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2751907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375998 + 1375999.

It is an arithmetic number, because the mean of its divisors is an integer number (1375999).

2^2751997 is an apocalyptic number.

It is an amenable number.

2751997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751997 is an equidigital number, since it uses as much as digits as its factorization.

2751997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 2751997 is about 1658.9144040607. The cubic root of 2751997 is about 140.1358714940.

The spelling of 2751997 in words is "two million, seven hundred fifty-one thousand, nine hundred ninety-seven".