2577242 has 16 divisors (see below), whose sum is σ = 4069440. Its totient is φ = 1221792.

The previous prime is 2577241. The next prime is 2577283. The reversal of 2577242 is 2427752.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2577241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8078 + ... + 8390.

It is an arithmetic number, because the mean of its divisors is an integer number (254340).

2^2577242 is an apocalyptic number.

2577242 is a deficient number, since it is larger than the sum of its proper divisors (1492198).

2577242 is a wasteful number, since it uses less digits than its factorization.

2577242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its digits is 7840, while the sum is 29.

The square root of 2577242 is about 1605.3790829583. The cubic root of 2577242 is about 137.1045076097.

The spelling of 2577242 in words is "two million, five hundred seventy-seven thousand, two hundred forty-two".