2503742 has 4 divisors (see below), whose sum is σ = 3755616. Its totient is φ = 1251870.

The previous prime is 2503729. The next prime is 2503751. The reversal of 2503742 is 2473052.

2503742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625934 + ... + 625937.

It is an arithmetic number, because the mean of its divisors is an integer number (938904).

2^2503742 is an apocalyptic number.

2503742 is a deficient number, since it is larger than the sum of its proper divisors (1251874).

2503742 is a wasteful number, since it uses less digits than its factorization.

2503742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251873.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2503742 is about 1582.3217119158. The cubic root of 2503742 is about 135.7885627437.

Adding to 2503742 its reverse (2473052), we get a palindrome (4976794).

The spelling of 2503742 in words is "two million, five hundred three thousand, seven hundred forty-two".