2558243121 has 8 divisors (see below), whose sum is σ = 3898275264. Its totient is φ = 1461853200.

The previous prime is 2558243099. The next prime is 2558243131. The reversal of 2558243121 is 1213428552.

2558243121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2558243121 - 2⁵ = 2558243089 is a prime.

It is a super-2 number, since 2×2558243121² = 13089215732287641282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2558243131) 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, 60910530 + ... + 60910571.

It is an arithmetic number, because the mean of its divisors is an integer number (487284408).

Almost surely, 2^2558243121 is an apocalyptic number.

2558243121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2558243121 is a deficient number, since it is larger than the sum of its proper divisors (1340032143).

2558243121 is a wasteful number, since it uses less digits than its factorization.

2558243121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121821111.

The product of its digits is 19200, while the sum is 33.

The square root of 2558243121 is about 50579.0778978818. The cubic root of 2558243121 is about 1367.6677460560.

The spelling of 2558243121 in words is "two billion, five hundred fifty-eight million, two hundred forty-three thousand, one hundred twenty-one".