2558242754 has 4 divisors (see below), whose sum is σ = 3837364134. Its totient is φ = 1279121376.

The previous prime is 2558242747. The next prime is 2558242763. The reversal of 2558242754 is 4572428552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2507505625 + 50737129 = 50075^2 + 7123^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639560687 + ... + 639560690.

Almost surely, 2^2558242754 is an apocalyptic number.

2558242754 is a deficient number, since it is larger than the sum of its proper divisors (1279121380).

2558242754 is a wasteful number, since it uses less digits than its factorization.

2558242754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279121379.

The product of its digits is 896000, while the sum is 44.

The square root of 2558242754 is about 50579.0742698994. The cubic root of 2558242754 is about 1367.6676806551.

The spelling of 2558242754 in words is "two billion, five hundred fifty-eight million, two hundred forty-two thousand, seven hundred fifty-four".