2542947 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 1530080.

The previous prime is 2542933. The next prime is 2542951. The reversal of 2542947 is 7492452.

It is a cyclic number.

It is not a de Polignac number, because 2542947 - 2¹⁰ = 2541923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2542957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8533 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2542947 is an apocalyptic number.

2542947 is a deficient number, since it is larger than the sum of its proper divisors (1182621).

2542947 is a wasteful number, since it uses less digits than its factorization.

2542947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its digits is 20160, while the sum is 33.

The square root of 2542947 is about 1594.6620331594. The cubic root of 2542947 is about 136.4936464726.

The spelling of 2542947 in words is "two million, five hundred forty-two thousand, nine hundred forty-seven".