252091135 has 8 divisors (see below), whose sum is σ = 305187120. Its totient is φ = 199887744.

The previous prime is 252091123. The next prime is 252091153. The reversal of 252091135 is 531190252.

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

It is a cyclic number.

It is not a de Polignac number, because 252091135 - 2⁹ = 252090623 is a prime.

It is a congruent number.

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, 222525 + ... + 223654.

It is an arithmetic number, because the mean of its divisors is an integer number (38148390).

Almost surely, 2^252091135 is an apocalyptic number.

252091135 is a deficient number, since it is larger than the sum of its proper divisors (53095985).

252091135 is a wasteful number, since it uses less digits than its factorization.

252091135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446297.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 252091135 is about 15877.3780895965. The cubic root of 252091135 is about 631.7120936351.

The spelling of 252091135 in words is "two hundred fifty-two million, ninety-one thousand, one hundred thirty-five".