252031227 has 16 divisors (see below), whose sum is σ = 384656640. Its totient is φ = 143789472.

The previous prime is 252031201. The next prime is 252031261. The reversal of 252031227 is 722130252.

It is a happy number.

It is not a de Polignac number, because 252031227 - 2⁶ = 252031163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252031197 and 252031206.

It is not an unprimeable number, because it can be changed into a prime (252031267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4524 + ... + 22902.

It is an arithmetic number, because the mean of its divisors is an integer number (24041040).

Almost surely, 2^252031227 is an apocalyptic number.

252031227 is a deficient number, since it is larger than the sum of its proper divisors (132625413).

252031227 is a wasteful number, since it uses less digits than its factorization.

252031227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19042.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 252031227 is about 15875.4913939695. The cubic root of 252031227 is about 631.6620487623.

Adding to 252031227 its reverse (722130252), we get a palindrome (974161479).

The spelling of 252031227 in words is "two hundred fifty-two million, thirty-one thousand, two hundred twenty-seven".