2552290 has 32 divisors (see below), whose sum is σ = 5125680. Its totient is φ = 908544.

The previous prime is 2552279. The next prime is 2552293. The reversal of 2552290 is 922552.

It can be written as a sum of positive squares in 8 ways, for example, as 1530169 + 1022121 = 1237^2 + 1011^2 .

It is not an unprimeable number, because it can be changed into a prime (2552293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3432 + ... + 4108.

2^2552290 is an apocalyptic number.

2552290 is an abundant number, since it is smaller than the sum of its proper divisors (2573390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2552290 is a wasteful number, since it uses less digits than its factorization.

2552290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

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

The square root of 2552290 is about 1597.5888081731. The cubic root of 2552290 is about 136.6606051909.

The spelling of 2552290 in words is "two million, five hundred fifty-two thousand, two hundred ninety".