2529280 has 96 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 884736.

The previous prime is 2529269. The next prime is 2529301. The reversal of 2529280 is 829252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133111 + ... + 133129.

2^2529280 is an apocalyptic number.

2529280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2529280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3439800).

2529280 is an abundant number, since it is smaller than the sum of its proper divisors (4350320).

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

2529280 is a wasteful number, since it uses less digits than its factorization.

2529280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2529280 is about 1590.3710258930. The cubic root of 2529280 is about 136.2486799524.

Subtracting from 2529280 its sum of digits (28), we obtain a palindrome (2529252).

It can be divided in two parts, 2529 and 280, that added together give a square (2809 = 53²).

The spelling of 2529280 in words is "two million, five hundred twenty-nine thousand, two hundred eighty".