2551299 has 4 divisors (see below), whose sum is σ = 3401736. Its totient is φ = 1700864.

The previous prime is 2551279. The next prime is 2551313. The reversal of 2551299 is 9921552.

2551299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2551299 - 2¹² = 2547203 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2551249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425214 + ... + 425219.

It is an arithmetic number, because the mean of its divisors is an integer number (850434).

2^2551299 is an apocalyptic number.

2551299 is a deficient number, since it is larger than the sum of its proper divisors (850437).

2551299 is an equidigital number, since it uses as much as digits as its factorization.

2551299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850436.

The product of its digits is 8100, while the sum is 33.

The square root of 2551299 is about 1597.2786231588. The cubic root of 2551299 is about 136.6429154310.

It can be divided in two parts, 2551 and 299, that added together give a triangular number (2850 = T₇₅).

The spelling of 2551299 in words is "two million, five hundred fifty-one thousand, two hundred ninety-nine".