2523742 has 16 divisors (see below), whose sum is σ = 4117680. Its totient is φ = 1153152.

The previous prime is 2523739. The next prime is 2523743. The reversal of 2523742 is 2473252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523743) 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, 2509 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (257355).

2^2523742 is an apocalyptic number.

2523742 is a deficient number, since it is larger than the sum of its proper divisors (1593938).

2523742 is a wasteful number, since it uses less digits than its factorization.

2523742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its digits is 3360, while the sum is 25.

The square root of 2523742 is about 1588.6289686393. The cubic root of 2523742 is about 136.1491659186.

Adding to 2523742 its reverse (2473252), we get a palindrome (4996994).

The spelling of 2523742 in words is "two million, five hundred twenty-three thousand, seven hundred forty-two".