2545834 has 4 divisors (see below), whose sum is σ = 3818754. Its totient is φ = 1272916.

The previous prime is 2545817. The next prime is 2545843. The reversal of 2545834 is 4385452.

2545834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1432809 + 1113025 = 1197^2 + 1055^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2545796 and 2545805.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 636457 + ... + 636460.

2^2545834 is an apocalyptic number.

2545834 is a deficient number, since it is larger than the sum of its proper divisors (1272920).

2545834 is a wasteful number, since it uses less digits than its factorization.

2545834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272919.

The product of its digits is 19200, while the sum is 31.

The square root of 2545834 is about 1595.5669838650. The cubic root of 2545834 is about 136.5452805449.

The spelling of 2545834 in words is "two million, five hundred forty-five thousand, eight hundred thirty-four".