2566101242 has 8 divisors (see below), whose sum is σ = 3877248276. Its totient is φ = 1273685152.

The previous prime is 2566101211. The next prime is 2566101269. The reversal of 2566101242 is 2421016652.

It can be written as a sum of positive squares in 2 ways, for example, as 2564308321 + 1792921 = 50639^2 + 1339^2 .

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, 4682393 + ... + 4682940.

Almost surely, 2^2566101242 is an apocalyptic number.

2566101242 is a deficient number, since it is larger than the sum of its proper divisors (1311147034).

2566101242 is a wasteful number, since it uses less digits than its factorization.

2566101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365472.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2566101242 is about 50656.6998727710. The cubic root of 2566101242 is about 1369.0666635627.

Adding to 2566101242 its reverse (2421016652), we get a palindrome (4987117894).

The spelling of 2566101242 in words is "two billion, five hundred sixty-six million, one hundred one thousand, two hundred forty-two".