2539145 has 8 divisors (see below), whose sum is σ = 3482304. Its totient is φ = 1741104.

The previous prime is 2539123. The next prime is 2539151. The reversal of 2539145 is 5419352.

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

It is a cyclic number.

It is not a de Polignac number, because 2539145 - 2¹⁴ = 2522761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36239 + ... + 36308.

It is an arithmetic number, because the mean of its divisors is an integer number (435288).

2^2539145 is an apocalyptic number.

It is an amenable number.

2539145 is a deficient number, since it is larger than the sum of its proper divisors (943159).

2539145 is an equidigital number, since it uses as much as digits as its factorization.

2539145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72559.

The product of its digits is 5400, while the sum is 29.

The square root of 2539145 is about 1593.4694851173. The cubic root of 2539145 is about 136.4255879447.

The spelling of 2539145 in words is "two million, five hundred thirty-nine thousand, one hundred forty-five".