2539264 has 72 divisors (see below), whose sum is σ = 6295520. Its totient is φ = 995328.

The previous prime is 2539261. The next prime is 2539267. The reversal of 2539264 is 4629352.

It is an interprime number because it is at equal distance from previous prime (2539261) and next prime (2539267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539261) 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, 23242 + ... + 23350.

2^2539264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2539264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147760).

2539264 is an abundant number, since it is smaller than the sum of its proper divisors (3756256).

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

2539264 is a wasteful number, since it uses less digits than its factorization.

2539264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 131 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 2539264 is about 1593.5068245853. The cubic root of 2539264 is about 136.4277191596.

The spelling of 2539264 in words is "two million, five hundred thirty-nine thousand, two hundred sixty-four".