2539537 has 32 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 1753920.

The previous prime is 2539531. The next prime is 2539543. The reversal of 2539537 is 7359352.

It is an interprime number because it is at equal distance from previous prime (2539531) and next prime (2539543).

It is not a de Polignac number, because 2539537 - 2³ = 2539529 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2539537 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43014 + ... + 43072.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^2539537 is an apocalyptic number.

It is an amenable number.

2539537 is a deficient number, since it is larger than the sum of its proper divisors (1008623).

2539537 is a wasteful number, since it uses less digits than its factorization.

2539537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its digits is 28350, while the sum is 34.

The square root of 2539537 is about 1593.5924824120. The cubic root of 2539537 is about 136.4326081659.

The spelling of 2539537 in words is "two million, five hundred thirty-nine thousand, five hundred thirty-seven".