2546842 has 4 divisors (see below), whose sum is σ = 3820266. Its totient is φ = 1273420.

The previous prime is 2546839. The next prime is 2546849. The reversal of 2546842 is 2486452.

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

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 323761 = 1491^2 + 569^2 .

It is not an unprimeable number, because it can be changed into a prime (2546849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636709 + ... + 636712.

2^2546842 is an apocalyptic number.

2546842 is a deficient number, since it is larger than the sum of its proper divisors (1273424).

2546842 is a wasteful number, since it uses less digits than its factorization.

2546842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273423.

The product of its digits is 15360, while the sum is 31.

The square root of 2546842 is about 1595.8828277790. The cubic root of 2546842 is about 136.5632994575.

The spelling of 2546842 in words is "two million, five hundred forty-six thousand, eight hundred forty-two".