2539895 has 4 divisors (see below), whose sum is σ = 3047880. Its totient is φ = 2031912.

The previous prime is 2539871. The next prime is 2539951. The reversal of 2539895 is 5989352.

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 2539895 - 2⁸ = 2539639 is a prime.

It is a super-2 number, since 2×2539895² = 12902133222050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 5 + 3⁷ + 9³ + 8³ + 9⁵ + 5⁹ .

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, 253985 + ... + 253994.

It is an arithmetic number, because the mean of its divisors is an integer number (761970).

2^2539895 is an apocalyptic number.

2539895 is a deficient number, since it is larger than the sum of its proper divisors (507985).

2539895 is an equidigital number, since it uses as much as digits as its factorization.

2539895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507984.

The product of its digits is 97200, while the sum is 41.

The square root of 2539895 is about 1593.7048032807. The cubic root of 2539895 is about 136.4390188592.

The spelling of 2539895 in words is "two million, five hundred thirty-nine thousand, eight hundred ninety-five".