2541533242 has 4 divisors (see below), whose sum is σ = 3812299866. Its totient is φ = 1270766620.

The previous prime is 2541533237. The next prime is 2541533261. The reversal of 2541533242 is 2423351452.

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., 1861836201 + 679697041 = 43149^2 + 26071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635383309 + ... + 635383312.

Almost surely, 2^2541533242 is an apocalyptic number.

2541533242 is a deficient number, since it is larger than the sum of its proper divisors (1270766624).

2541533242 is a wasteful number, since it uses less digits than its factorization.

2541533242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270766623.

The product of its digits is 28800, while the sum is 31.

The square root of 2541533242 is about 50413.6215917881. The cubic root of 2541533242 is about 1364.6834711771.

Adding to 2541533242 its reverse (2423351452), we get a palindrome (4964884694).

The spelling of 2541533242 in words is "two billion, five hundred forty-one million, five hundred thirty-three thousand, two hundred forty-two".