2542281 has 8 divisors (see below), whose sum is σ = 3873984. Its totient is φ = 1452720.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542281 is 1822452.

2542281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2542281 - 2⁹ = 2541769 is a prime.

It is a super-2 number, since 2×2542281² = 12926385365922, which contains 22 as substring.

2542281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2542201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60510 + ... + 60551.

It is an arithmetic number, because the mean of its divisors is an integer number (484248).

2^2542281 is an apocalyptic number.

2542281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2542281 is a deficient number, since it is larger than the sum of its proper divisors (1331703).

2542281 is a wasteful number, since it uses less digits than its factorization.

2542281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121071.

The product of its digits is 1280, while the sum is 24.

The square root of 2542281 is about 1594.4531978080. The cubic root of 2542281 is about 136.4817294979.

The spelling of 2542281 in words is "two million, five hundred forty-two thousand, two hundred eighty-one".