5256922381 has 4 divisors (see below), whose sum is σ = 5303443932. Its totient is φ = 5210400832.

The previous prime is 5256922367. The next prime is 5256922403. The reversal of 5256922381 is 1832296525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234365481 + 5022556900 = 15309^2 + 70870^2 .

It is a cyclic number.

It is not a de Polignac number, because 5256922381 - 2¹⁹ = 5256398093 is a prime.

It is a super-2 number, since 2×5256922381² = 55270465839717418322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256922351) 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, 23260606 + ... + 23260831.

It is an arithmetic number, because the mean of its divisors is an integer number (1325860983).

Almost surely, 2^5256922381 is an apocalyptic number.

It is an amenable number.

5256922381 is a deficient number, since it is larger than the sum of its proper divisors (46521551).

5256922381 is a wasteful number, since it uses less digits than its factorization.

5256922381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46521550.

The product of its digits is 259200, while the sum is 43.

The square root of 5256922381 is about 72504.6369620592. The cubic root of 5256922381 is about 1738.7768720539.

The spelling of 5256922381 in words is "five billion, two hundred fifty-six million, nine hundred twenty-two thousand, three hundred eighty-one".