2802551 has 2 divisors, whose sum is σ = 2802552. Its totient is φ = 2802550.

The previous prime is 2802511. The next prime is 2802571. The reversal of 2802551 is 1552082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2802551 - 2⁶ = 2802487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2802511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401275 + 1401276.

It is an arithmetic number, because the mean of its divisors is an integer number (1401276).

2^2802551 is an apocalyptic number.

2802551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802551 is an equidigital number, since it uses as much as digits as its factorization.

2802551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2802551 is about 1674.0821365751. The cubic root of 2802551 is about 140.9887655989.

Subtracting from 2802551 its sum of digits (23), we obtain a triangular number (2802528 = T₂₃₆₇).

The spelling of 2802551 in words is "two million, eight hundred two thousand, five hundred fifty-one".