2549251 has 12 divisors (see below), whose sum is σ = 2742880. Its totient is φ = 2368080.

The previous prime is 2549237. The next prime is 2549279. The reversal of 2549251 is 1529452.

It is not a de Polignac number, because 2549251 - 2⁵ = 2549219 is a prime.

It is a super-2 number, since 2×2549251² = 12997361322002, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2549291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32230 + ... + 32308.

2^2549251 is an apocalyptic number.

2549251 is a deficient number, since it is larger than the sum of its proper divisors (193629).

2549251 is an equidigital number, since it uses as much as digits as its factorization.

2549251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 2549251 is about 1596.6374040464. The cubic root of 2549251 is about 136.6063432634.

The spelling of 2549251 in words is "two million, five hundred forty-nine thousand, two hundred fifty-one".