2558949 has 8 divisors (see below), whose sum is σ = 3426240. Its totient is φ = 1698816.

The previous prime is 2558929. The next prime is 2558951. The reversal of 2558949 is 9498552.

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

It is not a de Polignac number, because 2558949 - 2⁵ = 2558917 is a prime.

It is a Curzon number.

2558949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2558949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558909) 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, 889 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (428280).

2^2558949 is an apocalyptic number.

It is an amenable number.

2558949 is a deficient number, since it is larger than the sum of its proper divisors (867291).

2558949 is a wasteful number, since it uses less digits than its factorization.

2558949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579.

The product of its digits is 129600, while the sum is 42.

The square root of 2558949 is about 1599.6715287833. The cubic root of 2558949 is about 136.7793524975.

The spelling of 2558949 in words is "two million, five hundred fifty-eight thousand, nine hundred forty-nine".