2451242 has 4 divisors (see below), whose sum is σ = 3676866. Its totient is φ = 1225620.

The previous prime is 2451233. The next prime is 2451257. The reversal of 2451242 is 2421542.

It is a happy number.

2451242 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 can be written as a sum of positive squares in only one way, i.e., 1692601 + 758641 = 1301^2 + 871^2 .

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, 612809 + ... + 612812.

2^2451242 is an apocalyptic number.

2451242 is a deficient number, since it is larger than the sum of its proper divisors (1225624).

2451242 is a wasteful number, since it uses less digits than its factorization.

2451242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225623.

The product of its digits is 640, while the sum is 20.

The square root of 2451242 is about 1565.6442763284. The cubic root of 2451242 is about 134.8327512750.

Adding to 2451242 its reverse (2421542), we get a palindrome (4872784).

The spelling of 2451242 in words is "two million, four hundred fifty-one thousand, two hundred forty-two".