252028177 has 4 divisors (see below), whose sum is σ = 252154420. Its totient is φ = 251901936.

The previous prime is 252028169. The next prime is 252028199. The reversal of 252028177 is 771820252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 189365121 + 62663056 = 13761^2 + 7916^2 .

It is a cyclic number.

It is not a de Polignac number, because 252028177 - 2³ = 252028169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252028157) 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, 60078 + ... + 64135.

It is an arithmetic number, because the mean of its divisors is an integer number (63038605).

Almost surely, 2^252028177 is an apocalyptic number.

It is an amenable number.

252028177 is a deficient number, since it is larger than the sum of its proper divisors (126243).

252028177 is a wasteful number, since it uses less digits than its factorization.

252028177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126242.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 252028177 is about 15875.3953336602. The cubic root of 252028177 is about 631.6595006957.

It can be divided in two parts, 25 and 2028177, that added together give a palindrome (2028202).

The spelling of 252028177 in words is "two hundred fifty-two million, twenty-eight thousand, one hundred seventy-seven".