252878335 has 4 divisors (see below), whose sum is σ = 303454008. Its totient is φ = 202302664.

The previous prime is 252878333. The next prime is 252878369. The reversal of 252878335 is 533878252.

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

It is a cyclic number.

It is not a de Polignac number, because 252878335 - 2¹ = 252878333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252878291 and 252878300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252878333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25287829 + ... + 25287838.

It is an arithmetic number, because the mean of its divisors is an integer number (75863502).

Almost surely, 2^252878335 is an apocalyptic number.

252878335 is a deficient number, since it is larger than the sum of its proper divisors (50575673).

252878335 is an equidigital number, since it uses as much as digits as its factorization.

252878335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50575672.

The product of its digits is 403200, while the sum is 43.

The square root of 252878335 is about 15902.1487541778. The cubic root of 252878335 is about 632.3689553382.

The spelling of 252878335 in words is "two hundred fifty-two million, eight hundred seventy-eight thousand, three hundred thirty-five".