2545456 has 20 divisors (see below), whose sum is σ = 5146992. Its totient is φ = 1217216.

The previous prime is 2545453. The next prime is 2545481. The reversal of 2545456 is 6545452.

2545456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2545451) 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 3 ways as a sum of consecutive naturals, for example, 3091 + ... + 3826.

2^2545456 is an apocalyptic number.

It is an amenable number.

2545456 is an abundant number, since it is smaller than the sum of its proper divisors (2601536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545456 is a wasteful number, since it uses less digits than its factorization.

2545456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6942 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 2545456 is about 1595.4485262772. The cubic root of 2545456 is about 136.5385222264.

The spelling of 2545456 in words is "two million, five hundred forty-five thousand, four hundred fifty-six".