2520323242 has 16 divisors (see below), whose sum is σ = 3917561760. Its totient is φ = 1214618608.

The previous prime is 2520323227. The next prime is 2520323291. The reversal of 2520323242 is 2423230252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968 + ... + 71059.

It is an arithmetic number, because the mean of its divisors is an integer number (244847610).

Almost surely, 2^2520323242 is an apocalyptic number.

2520323242 is a deficient number, since it is larger than the sum of its proper divisors (1397238518).

2520323242 is a wasteful number, since it uses less digits than its factorization.

2520323242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74645.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2520323242 is about 50202.8210561917. The cubic root of 2520323242 is about 1360.8766050508.

Adding to 2520323242 its reverse (2423230252), we get a palindrome (4943553494).

The spelling of 2520323242 in words is "two billion, five hundred twenty million, three hundred twenty-three thousand, two hundred forty-two".