52150321 has 4 divisors (see below), whose sum is σ = 52928752. Its totient is φ = 51371892.

The previous prime is 52150313. The next prime is 52150327. The reversal of 52150321 is 12305125.

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 a cyclic number.

It is not a de Polignac number, because 52150321 - 2³ = 52150313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52150327) 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, 389115 + ... + 389248.

It is an arithmetic number, because the mean of its divisors is an integer number (13232188).

Almost surely, 2^52150321 is an apocalyptic number.

It is an amenable number.

52150321 is a deficient number, since it is larger than the sum of its proper divisors (778431).

52150321 is an equidigital number, since it uses as much as digits as its factorization.

52150321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778430.

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

The square root of 52150321 is about 7221.5179152308. The cubic root of 52150321 is about 373.6104330065.

Adding to 52150321 its reverse (12305125), we get a palindrome (64455446).

The spelling of 52150321 in words is "fifty-two million, one hundred fifty thousand, three hundred twenty-one".