2537280 has 84 divisors (see below), whose sum is σ = 8737092. Its totient is φ = 675840.

The previous prime is 2537237. The next prime is 2537287. The reversal of 2537280 is 827352.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 1871424 = 816^2 + 1368^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2440 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (104013).

2^2537280 is an apocalyptic number.

2537280 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 2537280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4368546).

2537280 is an abundant number, since it is smaller than the sum of its proper divisors (6199812).

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

2537280 is a wasteful number, since it uses less digits than its factorization.

2537280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2537280 is about 1592.8841765803. The cubic root of 2537280 is about 136.3921782680.

It can be divided in two parts, 25372 and 80, that added together give a palindrome (25452).

The spelling of 2537280 in words is "two million, five hundred thirty-seven thousand, two hundred eighty".