5281255858 has 4 divisors (see below), whose sum is σ = 7921883790. Its totient is φ = 2640627928.

The previous prime is 5281255841. The next prime is 5281255867. The reversal of 5281255858 is 8585521825.

It is a happy number.

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., 4014109449 + 1267146409 = 63357^2 + 35597^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320313963 + ... + 1320313966.

Almost surely, 2^5281255858 is an apocalyptic number.

5281255858 is a deficient number, since it is larger than the sum of its proper divisors (2640627932).

5281255858 is a wasteful number, since it uses less digits than its factorization.

5281255858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640627931.

The product of its digits is 1280000, while the sum is 49.

The square root of 5281255858 is about 72672.2495729973. The cubic root of 5281255858 is about 1741.4555858485.

The spelling of 5281255858 in words is "five billion, two hundred eighty-one million, two hundred fifty-five thousand, eight hundred fifty-eight".