2547242 has 8 divisors (see below), whose sum is σ = 3856896. Its totient is φ = 1261612.

The previous prime is 2547211. The next prime is 2547247. The reversal of 2547242 is 2427452.

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

It is not an unprimeable number, because it can be changed into a prime (2547247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5738 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (482112).

2^2547242 is an apocalyptic number.

2547242 is a deficient number, since it is larger than the sum of its proper divisors (1309654).

2547242 is a wasteful number, since it uses less digits than its factorization.

2547242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012.

The product of its digits is 4480, while the sum is 26.

The square root of 2547242 is about 1596.0081453426. The cubic root of 2547242 is about 136.5704485020.

Subtracting from 2547242 its sum of digits (26), we obtain a square (2547216 = 1596²).

The spelling of 2547242 in words is "two million, five hundred forty-seven thousand, two hundred forty-two".