2525290 has 16 divisors (see below), whose sum is σ = 4785120. Its totient is φ = 956880.

The previous prime is 2525279. The next prime is 2525293. The reversal of 2525290 is 925252.

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 (2525293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6456 + ... + 6835.

It is an arithmetic number, because the mean of its divisors is an integer number (299070).

2^2525290 is an apocalyptic number.

2525290 is a deficient number, since it is larger than the sum of its proper divisors (2259830).

2525290 is a wasteful number, since it uses less digits than its factorization.

2525290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2525290 is about 1589.1161065196. The cubic root of 2525290 is about 136.1769970561.

It can be divided in two parts, 25 and 25290, that multiplied together give a triangular number (632250 = T₁₁₂₄).

The spelling of 2525290 in words is "two million, five hundred twenty-five thousand, two hundred ninety".