2549290 has 8 divisors (see below), whose sum is σ = 4588740. Its totient is φ = 1019712.

The previous prime is 2549279. The next prime is 2549291. The reversal of 2549290 is 929452.

2549290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 49729 = 1581^2 + 223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2549291) 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, 127455 + ... + 127474.

2^2549290 is an apocalyptic number.

2549290 is a deficient number, since it is larger than the sum of its proper divisors (2039450).

2549290 is a wasteful number, since it uses less digits than its factorization.

2549290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254936.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2549290 is about 1596.6496171671. The cubic root of 2549290 is about 136.6070398889.

The spelling of 2549290 in words is "two million, five hundred forty-nine thousand, two hundred ninety".