2801251 has 2 divisors, whose sum is σ = 2801252. Its totient is φ = 2801250.

The previous prime is 2801237. The next prime is 2801257. The reversal of 2801251 is 1521082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2801251 - 2⁵ = 2801219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2801257) 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, 1400625 + 1400626.

It is an arithmetic number, because the mean of its divisors is an integer number (1400626).

2^2801251 is an apocalyptic number.

2801251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801251 is an equidigital number, since it uses as much as digits as its factorization.

2801251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2801251 is about 1673.6938190721. The cubic root of 2801251 is about 140.9669623986.

It can be divided in two parts, 280125 and 1, that added together give a triangular number (280126 = T₇₄₈).

The spelling of 2801251 in words is "two million, eight hundred one thousand, two hundred fifty-one".