2539552 has 24 divisors (see below), whose sum is σ = 5085612. Its totient is φ = 1248000.

The previous prime is 2539543. The next prime is 2539567. The reversal of 2539552 is 2559352.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 992016 = 1244^2 + 996^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302 + ... + 2602.

2^2539552 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 2539552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542806).

2539552 is an abundant number, since it is smaller than the sum of its proper divisors (2546060).

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

2539552 is a wasteful number, since it uses less digits than its factorization.

2539552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1364 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 2539552 is about 1593.5971887525. The cubic root of 2539552 is about 136.4328767824.

The spelling of 2539552 in words is "two million, five hundred thirty-nine thousand, five hundred fifty-two".