2547142 has 8 divisors (see below), whose sum is σ = 4114656. Its totient is φ = 1175592.

The previous prime is 2547137. The next prime is 2547151. The reversal of 2547142 is 2417452.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48958 + ... + 49009.

It is an arithmetic number, because the mean of its divisors is an integer number (514332).

2^2547142 is an apocalyptic number.

2547142 is a deficient number, since it is larger than the sum of its proper divisors (1567514).

2547142 is a wasteful number, since it uses less digits than its factorization.

2547142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97982.

The product of its digits is 2240, while the sum is 25.

The square root of 2547142 is about 1595.9768168742. The cubic root of 2547142 is about 136.5686613111.

It can be divided in two parts, 254 and 7142, that added together give a square (7396 = 86²).

The spelling of 2547142 in words is "two million, five hundred forty-seven thousand, one hundred forty-two".