2456542 has 12 divisors (see below), whose sum is σ = 4050648. Its totient is φ = 1116500.

The previous prime is 2456539. The next prime is 2456557.

2456542 is nontrivially palindromic in base 10.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2456542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4834 + ... + 5317.

It is an arithmetic number, because the mean of its divisors is an integer number (337554).

2^2456542 is an apocalyptic number.

2456542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2456542 is a deficient number, since it is larger than the sum of its proper divisors (1594106).

2456542 is a wasteful number, since it uses less digits than its factorization.

2456542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175 (or 10164 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 2456542 is about 1567.3359563284. The cubic root of 2456542 is about 134.9298583961.

The spelling of 2456542 in words is "two million, four hundred fifty-six thousand, five hundred forty-two".