2566233242 has 4 divisors (see below), whose sum is σ = 3849349866. Its totient is φ = 1283116620.

The previous prime is 2566233239. The next prime is 2566233331. The reversal of 2566233242 is 2423326652.

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., 1342562881 + 1223670361 = 36641^2 + 34981^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641558309 + ... + 641558312.

Almost surely, 2^2566233242 is an apocalyptic number.

2566233242 is a deficient number, since it is larger than the sum of its proper divisors (1283116624).

2566233242 is a wasteful number, since it uses less digits than its factorization.

2566233242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283116623.

The product of its digits is 103680, while the sum is 35.

The square root of 2566233242 is about 50658.0027438903. The cubic root of 2566233242 is about 1369.0901380458.

Adding to 2566233242 its reverse (2423326652), we get a palindrome (4989559894).

The spelling of 2566233242 in words is "two billion, five hundred sixty-six million, two hundred thirty-three thousand, two hundred forty-two".