252233427 has 4 divisors (see below), whose sum is σ = 336311240. Its totient is φ = 168155616.

The previous prime is 252233419. The next prime is 252233441. The reversal of 252233427 is 724332252.

252233427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 252233427 - 2³ = 252233419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252233394 and 252233403.

It is not an unprimeable number, because it can be changed into a prime (252233407) 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, 42038902 + ... + 42038907.

It is an arithmetic number, because the mean of its divisors is an integer number (84077810).

Almost surely, 2^252233427 is an apocalyptic number.

252233427 is a deficient number, since it is larger than the sum of its proper divisors (84077813).

252233427 is an equidigital number, since it uses as much as digits as its factorization.

252233427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84077812.

The product of its digits is 20160, while the sum is 30.

The square root of 252233427 is about 15881.8584240006. The cubic root of 252233427 is about 631.8309272073.

Adding to 252233427 its reverse (724332252), we get a palindrome (976565679).

The spelling of 252233427 in words is "two hundred fifty-two million, two hundred thirty-three thousand, four hundred twenty-seven".