2520431242 has 8 divisors (see below), whose sum is σ = 4320739296. Its totient is φ = 1080184812.

The previous prime is 2520431233. The next prime is 2520431257. The reversal of 2520431242 is 2421340252.

2520431242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90015388 + ... + 90015415.

It is an arithmetic number, because the mean of its divisors is an integer number (540092412).

Almost surely, 2^2520431242 is an apocalyptic number.

2520431242 is a deficient number, since it is larger than the sum of its proper divisors (1800308054).

2520431242 is a wasteful number, since it uses less digits than its factorization.

2520431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180030812.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2520431242 is about 50203.8966814330. The cubic root of 2520431242 is about 1360.8960433741.

Adding to 2520431242 its reverse (2421340252), we get a palindrome (4941771494).

The spelling of 2520431242 in words is "two billion, five hundred twenty million, four hundred thirty-one thousand, two hundred forty-two".