2536539 has 8 divisors (see below), whose sum is σ = 3413520. Its totient is φ = 1675296.

The previous prime is 2536517. The next prime is 2536549. The reversal of 2536539 is 9356352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2536539 - 2¹¹ = 2534491 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5 + 3³ + 6² + 5⁹ + 3¹⁰ + 9 .

It is not an unprimeable number, because it can be changed into a prime (2536549) 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, 3552 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (426690).

2^2536539 is an apocalyptic number.

2536539 is a deficient number, since it is larger than the sum of its proper divisors (876981).

2536539 is a wasteful number, since it uses less digits than its factorization.

2536539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869.

The product of its digits is 24300, while the sum is 33.

The square root of 2536539 is about 1592.6515626464. The cubic root of 2536539 is about 136.3788994229.

The spelling of 2536539 in words is "two million, five hundred thirty-six thousand, five hundred thirty-nine".