2421504142 has 4 divisors (see below), whose sum is σ = 3632256216. Its totient is φ = 1210752070.

The previous prime is 2421504133. The next prime is 2421504143. The reversal of 2421504142 is 2414051242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2414051242 = 2 ⋅1207025621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421504143) by changing a digit.

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, 605376034 + ... + 605376037.

It is an arithmetic number, because the mean of its divisors is an integer number (908064054).

Almost surely, 2^2421504142 is an apocalyptic number.

2421504142 is a deficient number, since it is larger than the sum of its proper divisors (1210752074).

2421504142 is a wasteful number, since it uses less digits than its factorization.

2421504142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210752073.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2421504142 is about 49208.7811472709. The cubic root of 2421504142 is about 1342.8527887429.

Adding to 2421504142 its reverse (2414051242), we get a palindrome (4835555384).

Subtracting from 2421504142 its reverse (2414051242), we obtain a square (7452900 = 2730²).

The spelling of 2421504142 in words is "two billion, four hundred twenty-one million, five hundred four thousand, one hundred forty-two".