5211323042 has 4 divisors (see below), whose sum is σ = 7816984566. Its totient is φ = 2605661520.

The previous prime is 5211322937. The next prime is 5211323071. The reversal of 5211323042 is 2403231125.

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., 3738221881 + 1473101161 = 61141^2 + 38381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5211322999 and 5211323017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302830759 + ... + 1302830762.

Almost surely, 2^5211323042 is an apocalyptic number.

5211323042 is a deficient number, since it is larger than the sum of its proper divisors (2605661524).

5211323042 is a wasteful number, since it uses less digits than its factorization.

5211323042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605661523.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5211323042 is about 72189.4939863135. The cubic root of 5211323042 is about 1733.7347941481.

Adding to 5211323042 its reverse (2403231125), we get a palindrome (7614554167).

The spelling of 5211323042 in words is "five billion, two hundred eleven million, three hundred twenty-three thousand, forty-two".