2529090 has 128 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 580608.

The previous prime is 2529089. The next prime is 2529097. The reversal of 2529090 is 909252.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (2529097) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87196 + ... + 87224.

It is an arithmetic number, because the mean of its divisors is an integer number (60750).

2^2529090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2529090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888000).

2529090 is an abundant number, since it is smaller than the sum of its proper divisors (5246910).

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

2529090 is a wasteful number, since it uses less digits than its factorization.

2529090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2529090 is about 1590.3112902825. The cubic root of 2529090 is about 136.2452681913.

The spelling of 2529090 in words is "two million, five hundred twenty-nine thousand, ninety".