5250321001 has 4 divisors (see below), whose sum is σ = 5253602004. Its totient is φ = 5247040000.

The previous prime is 5250320989. The next prime is 5250321023. The reversal of 5250321001 is 1001230525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2512415376 + 2737905625 = 50124^2 + 52325^2 .

It is a cyclic number.

It is not a de Polignac number, because 5250321001 - 2⁹ = 5250320489 is a prime.

It is a super-2 number, since 2×5250321001² = 55131741227083284002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5250321001.

It is not an unprimeable number, because it can be changed into a prime (5250321101) 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, 1638100 + ... + 1641301.

It is an arithmetic number, because the mean of its divisors is an integer number (1313400501).

Almost surely, 2^5250321001 is an apocalyptic number.

It is an amenable number.

5250321001 is a deficient number, since it is larger than the sum of its proper divisors (3281003).

5250321001 is a wasteful number, since it uses less digits than its factorization.

5250321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281002.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 5250321001 is about 72459.0988144346. The cubic root of 5250321001 is about 1738.0487441984.

Adding to 5250321001 its reverse (1001230525), we get a palindrome (6251551526).

The spelling of 5250321001 in words is "five billion, two hundred fifty million, three hundred twenty-one thousand, one".