252140235 has 8 divisors (see below), whose sum is σ = 403424400. Its totient is φ = 134474784.

The previous prime is 252140227. The next prime is 252140249. The reversal of 252140235 is 532041252.

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

It is not a de Polignac number, because 252140235 - 2³ = 252140227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8404660 + ... + 8404689.

It is an arithmetic number, because the mean of its divisors is an integer number (50428050).

Almost surely, 2^252140235 is an apocalyptic number.

252140235 is a deficient number, since it is larger than the sum of its proper divisors (151284165).

252140235 is a wasteful number, since it uses less digits than its factorization.

252140235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16809357.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 252140235 is about 15878.9242393810. The cubic root of 252140235 is about 631.7531040026.

Adding to 252140235 its reverse (532041252), we get a palindrome (784181487).

The spelling of 252140235 in words is "two hundred fifty-two million, one hundred forty thousand, two hundred thirty-five".