2545942 has 24 divisors (see below), whose sum is σ = 4510296. Its totient is φ = 1074528.

The previous prime is 2545927. The next prime is 2545967. The reversal of 2545942 is 2495452.

2545942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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 11 ways as a sum of consecutive naturals, for example, 7978 + ... + 8290.

It is an arithmetic number, because the mean of its divisors is an integer number (187929).

2^2545942 is an apocalyptic number.

2545942 is a deficient number, since it is larger than the sum of its proper divisors (1964354).

2545942 is a wasteful number, since it uses less digits than its factorization.

2545942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 405 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2545942 is about 1595.6008272748. The cubic root of 2545942 is about 136.5472113702.

The spelling of 2545942 in words is "two million, five hundred forty-five thousand, nine hundred forty-two".