2545742 has 8 divisors (see below), whose sum is σ = 3826656. Its totient is φ = 1270192.

The previous prime is 2545727. The next prime is 2545757. The reversal of 2545742 is 2475452.

It is a happy number.

2545742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2545727) and next prime (2545757).

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 203 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (478332).

2^2545742 is an apocalyptic number.

2545742 is a deficient number, since it is larger than the sum of its proper divisors (1280914).

2545742 is a wasteful number, since it uses less digits than its factorization.

2545742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682.

The product of its digits is 11200, while the sum is 29.

The square root of 2545742 is about 1595.5381537275. The cubic root of 2545742 is about 136.5436357248.

The spelling of 2545742 in words is "two million, five hundred forty-five thousand, seven hundred forty-two".