5405270831 has 4 divisors (see below), whose sum is σ = 5432708952. Its totient is φ = 5377832712.

The previous prime is 5405270809. The next prime is 5405270881. The reversal of 5405270831 is 1380725045.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5405270831 - 2¹⁴ = 5405254447 is a prime.

It is a super-2 number, since 2×5405270831² = 58433905512918861122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5405270791 and 5405270800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405270881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13718765 + ... + 13719158.

It is an arithmetic number, because the mean of its divisors is an integer number (1358177238).

Almost surely, 2^5405270831 is an apocalyptic number.

5405270831 is a deficient number, since it is larger than the sum of its proper divisors (27438121).

5405270831 is a wasteful number, since it uses less digits than its factorization.

5405270831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27438120.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5405270831 is about 73520.5469987812. The cubic root of 5405270831 is about 1754.9812722465.

Adding to 5405270831 its reverse (1380725045), we get a palindrome (6785995876).

The spelling of 5405270831 in words is "five billion, four hundred five million, two hundred seventy thousand, eight hundred thirty-one".