5100321 has 4 divisors (see below), whose sum is σ = 6800432. Its totient is φ = 3400212.

The previous prime is 5100311. The next prime is 5100331. The reversal of 5100321 is 1230015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5100311) and next prime (5100331).

It is not a de Polignac number, because 5100321 - 2⁶ = 5100257 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5100297 and 5100306.

It is not an unprimeable number, because it can be changed into a prime (5100311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850051 + ... + 850056.

It is an arithmetic number, because the mean of its divisors is an integer number (1700108).

Almost surely, 2^5100321 is an apocalyptic number.

It is an amenable number.

5100321 is a deficient number, since it is larger than the sum of its proper divisors (1700111).

5100321 is a wasteful number, since it uses less digits than its factorization.

5100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700110.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 5100321 is about 2258.3890276035. The cubic root of 5100321 is about 172.1336733531.

Adding to 5100321 its reverse (1230015), we get a palindrome (6330336).

The spelling of 5100321 in words is "five million, one hundred thousand, three hundred twenty-one".