5285951881 has 6 divisors (see below), whose sum is σ = 6148964490. Its totient is φ = 4530815856.

The previous prime is 5285951843. The next prime is 5285951921. The reversal of 5285951881 is 1881595825.

It can be written as a sum of positive squares in only one way, i.e., 4787948025 + 498003856 = 69195^2 + 22316^2 .

It is not a de Polignac number, because 5285951881 - 2⁹ = 5285951369 is a prime.

It is a super-2 number, since 2×5285951881² = 55882574576494876322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5285951381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53938236 + ... + 53938333.

It is an arithmetic number, because the mean of its divisors is an integer number (1024827415).

Almost surely, 2^5285951881 is an apocalyptic number.

It is an amenable number.

5285951881 is a deficient number, since it is larger than the sum of its proper divisors (863012609).

5285951881 is a wasteful number, since it uses less digits than its factorization.

5285951881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107876583 (or 107876576 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 52.

The square root of 5285951881 is about 72704.5519964190. The cubic root of 5285951881 is about 1741.9715927102.

The spelling of 5285951881 in words is "five billion, two hundred eighty-five million, nine hundred fifty-one thousand, eight hundred eighty-one".