2558992 has 10 divisors (see below), whose sum is σ = 4958078. Its totient is φ = 1279488.

The previous prime is 2558953. The next prime is 2559013. The reversal of 2558992 is 2998552.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 112896 = 1564^2 + 336^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁶ + 5³ + 5⁸ + 8⁴ + 9³ + 9³ + 2²¹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79953 + ... + 79984.

2^2558992 is an apocalyptic number.

It is an amenable number.

2558992 is a deficient number, since it is larger than the sum of its proper divisors (2399086).

2558992 is a wasteful number, since it uses less digits than its factorization.

2558992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159945 (or 159939 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 2558992 is about 1599.6849689861. The cubic root of 2558992 is about 136.7801186296.

The spelling of 2558992 in words is "two million, five hundred fifty-eight thousand, nine hundred ninety-two".