5251204042 has 8 divisors (see below), whose sum is σ = 9002064096. Its totient is φ = 2250516012.

The previous prime is 5251204039. The next prime is 5251204043. The reversal of 5251204042 is 2404021525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5251203998 and 5251204016.

It is not an unprimeable number, because it can be changed into a prime (5251204043) 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, 187542988 + ... + 187543015.

It is an arithmetic number, because the mean of its divisors is an integer number (1125258012).

Almost surely, 2^5251204042 is an apocalyptic number.

5251204042 is a deficient number, since it is larger than the sum of its proper divisors (3750860054).

5251204042 is a wasteful number, since it uses less digits than its factorization.

5251204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375086012.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5251204042 is about 72465.1919337829. The cubic root of 5251204042 is about 1738.1461783849.

Adding to 5251204042 its reverse (2404021525), we get a palindrome (7655225567).

The spelling of 5251204042 in words is "five billion, two hundred fifty-one million, two hundred four thousand, forty-two".