2539135 has 4 divisors (see below), whose sum is σ = 3046968. Its totient is φ = 2031304.

The previous prime is 2539123. The next prime is 2539151. The reversal of 2539135 is 5319352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2539135 - 2⁹ = 2538623 is a prime.

It is a Duffinian number.

It is a congruent 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, 253909 + ... + 253918.

It is an arithmetic number, because the mean of its divisors is an integer number (761742).

2^2539135 is an apocalyptic number.

2539135 is a deficient number, since it is larger than the sum of its proper divisors (507833).

2539135 is an equidigital number, since it uses as much as digits as its factorization.

2539135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507832.

The product of its digits is 4050, while the sum is 28.

The square root of 2539135 is about 1593.4663473070. The cubic root of 2539135 is about 136.4254088480.

The spelling of 2539135 in words is "two million, five hundred thirty-nine thousand, one hundred thirty-five".