5219535281 has 4 divisors (see below), whose sum is σ = 5260634112. Its totient is φ = 5178436452.

The previous prime is 5219535271. The next prime is 5219535283. The reversal of 5219535281 is 1825359125.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5219535281 - 2¹⁴ = 5219518897 is a prime.

It is a super-2 number, since 2×5219535281² = 54487097099207497922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5219535283) 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, 20549225 + ... + 20549478.

It is an arithmetic number, because the mean of its divisors is an integer number (1315158528).

Almost surely, 2^5219535281 is an apocalyptic number.

It is an amenable number.

5219535281 is a deficient number, since it is larger than the sum of its proper divisors (41098831).

5219535281 is a wasteful number, since it uses less digits than its factorization.

5219535281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41098830.

The product of its digits is 108000, while the sum is 41.

The square root of 5219535281 is about 72246.3513334757. The cubic root of 5219535281 is about 1734.6450154769.

The spelling of 5219535281 in words is "five billion, two hundred nineteen million, five hundred thirty-five thousand, two hundred eighty-one".