5251321301 has 8 divisors (see below), whose sum is σ = 5617546200. Its totient is φ = 4891465728.

The previous prime is 5251321297. The next prime is 5251321303. The reversal of 5251321301 is 1031231525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2986513201 + 2264808100 = 54649^2 + 47590^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5251321301 - 2² = 5251321297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251321303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590626 + ... + 1593923.

It is an arithmetic number, because the mean of its divisors is an integer number (702193275).

Almost surely, 2^5251321301 is an apocalyptic number.

It is an amenable number.

5251321301 is a deficient number, since it is larger than the sum of its proper divisors (366224899).

5251321301 is a wasteful number, since it uses less digits than its factorization.

5251321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184663.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5251321301 is about 72466.0010004692. The cubic root of 5251321301 is about 1738.1591158473.

Adding to 5251321301 its reverse (1031231525), we get a palindrome (6282552826).

The spelling of 5251321301 in words is "five billion, two hundred fifty-one million, three hundred twenty-one thousand, three hundred one".