2545910 has 16 divisors (see below), whose sum is σ = 4741200. Its totient is φ = 983136.

The previous prime is 2545891. The next prime is 2545919. The reversal of 2545910 is 195452.

It is a self number, because there is not a number n which added to its sum of digits gives 2545910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545919) 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 7 ways as a sum of consecutive naturals, for example, 4100 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (296325).

2^2545910 is an apocalyptic number.

2545910 is a deficient number, since it is larger than the sum of its proper divisors (2195290).

2545910 is a wasteful number, since it uses less digits than its factorization.

2545910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2545910 is about 1595.5907996726. The cubic root of 2545910 is about 136.5466392795.

The spelling of 2545910 in words is "two million, five hundred forty-five thousand, nine hundred ten".