2558342521 has 16 divisors (see below), whose sum is σ = 2951150976. Its totient is φ = 2172433536.

The previous prime is 2558342519. The next prime is 2558342543. The reversal of 2558342521 is 1252438552.

It is not a de Polignac number, because 2558342521 - 2¹ = 2558342519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2558342551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522135 + ... + 527011.

It is an arithmetic number, because the mean of its divisors is an integer number (184446936).

Almost surely, 2^2558342521 is an apocalyptic number.

It is an amenable number.

2558342521 is a deficient number, since it is larger than the sum of its proper divisors (392808455).

2558342521 is a wasteful number, since it uses less digits than its factorization.

2558342521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568.

The product of its digits is 96000, while the sum is 37.

The square root of 2558342521 is about 50580.0605080698. The cubic root of 2558342521 is about 1367.6854593077.

The spelling of 2558342521 in words is "two billion, five hundred fifty-eight million, three hundred forty-two thousand, five hundred twenty-one".