2539455 has 16 divisors (see below), whose sum is σ = 4116480. Its totient is φ = 1336608.

The previous prime is 2539441. The next prime is 2539463. The reversal of 2539455 is 5549352.

It is not a de Polignac number, because 2539455 - 2⁵ = 2539423 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 5⁶ + 3⁹ + 9³ + 4² + 5⁶ + 5⁸ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (257280).

2^2539455 is an apocalyptic number.

2539455 is a deficient number, since it is larger than the sum of its proper divisors (1577025).

2539455 is a wasteful number, since it uses less digits than its factorization.

2539455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its digits is 27000, while the sum is 33.

The square root of 2539455 is about 1593.5667541713. The cubic root of 2539455 is about 136.4311397100.

The spelling of 2539455 in words is "two million, five hundred thirty-nine thousand, four hundred fifty-five".