2502761 has 2 divisors, whose sum is σ = 2502762. Its totient is φ = 2502760.

The previous prime is 2502733. The next prime is 2502767. The reversal of 2502761 is 1672052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 414736 = 1445^2 + 644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2502761 is a prime.

It is a super-3 number, since 3×2502761³ = 47030477833364811243, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2502767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251380 + 1251381.

It is an arithmetic number, because the mean of its divisors is an integer number (1251381).

2^2502761 is an apocalyptic number.

It is an amenable number.

2502761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502761 is an equidigital number, since it uses as much as digits as its factorization.

2502761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2502761 is about 1582.0116940149. The cubic root of 2502761 is about 135.7708258281.

The spelling of 2502761 in words is "two million, five hundred two thousand, seven hundred sixty-one".