2577142 has 4 divisors (see below), whose sum is σ = 3865716. Its totient is φ = 1288570.

The previous prime is 2577101. The next prime is 2577167. The reversal of 2577142 is 2417752.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2577142.

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 as a sum of consecutive naturals, namely, 644284 + ... + 644287.

It is an arithmetic number, because the mean of its divisors is an integer number (966429).

2^2577142 is an apocalyptic number.

2577142 is a deficient number, since it is larger than the sum of its proper divisors (1288574).

2577142 is a wasteful number, since it uses less digits than its factorization.

2577142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288573.

The product of its digits is 3920, while the sum is 28.

The square root of 2577142 is about 1605.3479373644. The cubic root of 2577142 is about 137.1027343151.

The spelling of 2577142 in words is "two million, five hundred seventy-seven thousand, one hundred forty-two".