5185233021 has 32 divisors (see below), whose sum is σ = 7288178688. Its totient is φ = 3275657280.

The previous prime is 5185232989. The next prime is 5185233023. The reversal of 5185233021 is 1203325815.

It is not a de Polignac number, because 5185233021 - 2⁵ = 5185232989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5185233021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185233023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650160 + ... + 658086.

It is an arithmetic number, because the mean of its divisors is an integer number (227755584).

Almost surely, 2^5185233021 is an apocalyptic number.

It is an amenable number.

5185233021 is a deficient number, since it is larger than the sum of its proper divisors (2102945667).

5185233021 is a wasteful number, since it uses less digits than its factorization.

5185233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 5185233021 is about 72008.5621367348. The cubic root of 5185233021 is about 1730.8366898499.

Adding to 5185233021 its reverse (1203325815), we get a palindrome (6388558836).

The spelling of 5185233021 in words is "five billion, one hundred eighty-five million, two hundred thirty-three thousand, twenty-one".