2545946 has 16 divisors (see below), whose sum is σ = 4143048. Its totient is φ = 1166400.

The previous prime is 2545927. The next prime is 2545967. The reversal of 2545946 is 6495452.

It is a happy number.

2545946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 1755625 = 889^2 + 1325^2 .

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 4436 + ... + 4976.

2^2545946 is an apocalyptic number.

2545946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2545946 is a deficient number, since it is larger than the sum of its proper divisors (1597102).

2545946 is a wasteful number, since it uses less digits than its factorization.

2545946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its digits is 43200, while the sum is 35.

The square root of 2545946 is about 1595.6020807206. The cubic root of 2545946 is about 136.5472828812.

The spelling of 2545946 in words is "two million, five hundred forty-five thousand, nine hundred forty-six".