52250331 has 8 divisors (see below), whose sum is σ = 79619584. Its totient is φ = 29857320.

The previous prime is 52250309. The next prime is 52250351. The reversal of 52250331 is 13305225.

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

It is not a de Polignac number, because 52250331 - 2¹⁸ = 51988187 is a prime.

It is a super-2 number, since 2×52250331² = 5460194179219122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2488111 = 52250331 / (5 + 2 + 2 + 5 + 0 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52250298 and 52250307.

It is not an unprimeable number, because it can be changed into a prime (52250351) 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, 1244035 + ... + 1244076.

It is an arithmetic number, because the mean of its divisors is an integer number (9952448).

Almost surely, 2^52250331 is an apocalyptic number.

52250331 is a deficient number, since it is larger than the sum of its proper divisors (27369253).

52250331 is a wasteful number, since it uses less digits than its factorization.

52250331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488121.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 52250331 is about 7228.4390431130. The cubic root of 52250331 is about 373.8491079177.

Adding to 52250331 its reverse (13305225), we get a palindrome (65555556).

The spelling of 52250331 in words is "fifty-two million, two hundred fifty thousand, three hundred thirty-one".