2499558254 has 4 divisors (see below), whose sum is σ = 3749337384. Its totient is φ = 1249779126.

The previous prime is 2499558239. The next prime is 2499558323. The reversal of 2499558254 is 4528559942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4528559942 = 2 ⋅2264279971.

It is a junction number, because it is equal to n+sod(n) for n = 2499558196 and 2499558205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624889562 + ... + 624889565.

It is an arithmetic number, because the mean of its divisors is an integer number (937334346).

Almost surely, 2^2499558254 is an apocalyptic number.

2499558254 is a deficient number, since it is larger than the sum of its proper divisors (1249779130).

2499558254 is a wasteful number, since it uses less digits than its factorization.

2499558254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249779129.

The product of its digits is 5184000, while the sum is 53.

The square root of 2499558254 is about 49995.5823448432. The cubic root of 2499558254 is about 1357.1288647137.

The spelling of 2499558254 in words is "two billion, four hundred ninety-nine million, five hundred fifty-eight thousand, two hundred fifty-four".