2555242 has 4 divisors (see below), whose sum is σ = 3832866. Its totient is φ = 1277620.

The previous prime is 2555233. The next prime is 2555251. The reversal of 2555242 is 2425552.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2555233) and next prime (2555251).

It can be written as a sum of positive squares in only one way, i.e., 2493241 + 62001 = 1579^2 + 249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638809 + ... + 638812.

2^2555242 is an apocalyptic number.

2555242 is a deficient number, since it is larger than the sum of its proper divisors (1277624).

2555242 is a wasteful number, since it uses less digits than its factorization.

2555242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277623.

The product of its digits is 4000, while the sum is 25.

The square root of 2555242 is about 1598.5124334831. The cubic root of 2555242 is about 136.7132724913.

The spelling of 2555242 in words is "two million, five hundred fifty-five thousand, two hundred forty-two".