252578355 has 16 divisors (see below), whose sum is σ = 404572320. Its totient is φ = 134559488.

The previous prime is 252578353. The next prime is 252578377. The reversal of 252578355 is 553875252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252578355 - 2¹ = 252578353 is a prime.

It is a super-3 number, since 3×252578355³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (252578353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5461 + ... + 23129.

It is an arithmetic number, because the mean of its divisors is an integer number (25285770).

Almost surely, 2^252578355 is an apocalyptic number.

252578355 is a deficient number, since it is larger than the sum of its proper divisors (151993965).

252578355 is a wasteful number, since it uses less digits than its factorization.

252578355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630.

The product of its digits is 420000, while the sum is 42.

The square root of 252578355 is about 15892.7138966257. The cubic root of 252578355 is about 632.1188046096.

The spelling of 252578355 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, three hundred fifty-five".