2518442 has 8 divisors (see below), whose sum is σ = 3879876. Its totient is φ = 1225152.

The previous prime is 2518429. The next prime is 2518487. The reversal of 2518442 is 2448152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 271441 = 1499^2 + 521^2 .

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

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 1 + 8⁵ + 4 + 4³ + 2¹⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16943 + ... + 17090.

2^2518442 is an apocalyptic number.

2518442 is a deficient number, since it is larger than the sum of its proper divisors (1361434).

2518442 is a wasteful number, since it uses less digits than its factorization.

2518442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34072.

The product of its digits is 2560, while the sum is 26.

The square root of 2518442 is about 1586.9599868932. The cubic root of 2518442 is about 136.0537921579.

The spelling of 2518442 in words is "two million, five hundred eighteen thousand, four hundred forty-two".