2542273 has 4 divisors (see below), whose sum is σ = 2568580. Its totient is φ = 2515968.

The previous prime is 2542237. The next prime is 2542327. The reversal of 2542273 is 3722452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 1507984 = 1017^2 + 1228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542273 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁹ + 4⁷ + 2¹⁷ + 2¹⁷ + 7⁴ + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13008 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (642145).

2^2542273 is an apocalyptic number.

It is an amenable number.

2542273 is a deficient number, since it is larger than the sum of its proper divisors (26307).

2542273 is an equidigital number, since it uses as much as digits as its factorization.

2542273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26306.

The product of its digits is 3360, while the sum is 25.

The square root of 2542273 is about 1594.4506891089. The cubic root of 2542273 is about 136.4815863384.

The spelling of 2542273 in words is "two million, five hundred forty-two thousand, two hundred seventy-three".