5261331626 has 8 divisors (see below), whose sum is σ = 7892375940. Its totient is φ = 2630539648.

The previous prime is 5261331623. The next prime is 5261331637. The reversal of 5261331626 is 6261331625.

It can be written as a sum of positive squares in 2 ways, for example, as 4956864025 + 304467601 = 70405^2 + 17449^2 .

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

It is a super-2 number, since 2×5261331626² = 55363220957495607752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5261331623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810 + ... + 102618.

Almost surely, 2^5261331626 is an apocalyptic number.

5261331626 is a deficient number, since it is larger than the sum of its proper divisors (2631044314).

5261331626 is a wasteful number, since it uses less digits than its factorization.

5261331626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126168.

The product of its digits is 38880, while the sum is 35.

The square root of 5261331626 is about 72535.0372302931. The cubic root of 5261331626 is about 1739.2628693854.

Subtracting 5261331626 from its reverse (6261331625), we obtain a palindrome (999999999).

The spelling of 5261331626 in words is "five billion, two hundred sixty-one million, three hundred thirty-one thousand, six hundred twenty-six".