2545634 has 32 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 987840.

The previous prime is 2545633. The next prime is 2545651. The reversal of 2545634 is 4365452.

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 = 2545597 and 2545606.

It is not an unprimeable number, because it can be changed into a prime (2545633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12824 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2^2545634 is an apocalyptic number.

2545634 is a deficient number, since it is larger than the sum of its proper divisors (2244382).

2545634 is a wasteful number, since it uses less digits than its factorization.

2545634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its digits is 14400, while the sum is 29.

The square root of 2545634 is about 1595.5043089882. The cubic root of 2545634 is about 136.5417047984.

The spelling of 2545634 in words is "two million, five hundred forty-five thousand, six hundred thirty-four".