252555265 has 4 divisors (see below), whose sum is σ = 303066324. Its totient is φ = 202044208.

The previous prime is 252555263. The next prime is 252555283. The reversal of 252555265 is 562555252.

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 72029169 + 180526096 = 8487^2 + 13436^2 .

It is a cyclic number.

It is not a de Polignac number, because 252555265 - 2¹ = 252555263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252555263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25255522 + ... + 25255531.

It is an arithmetic number, because the mean of its divisors is an integer number (75766581).

Almost surely, 2^252555265 is an apocalyptic number.

It is an amenable number.

252555265 is a deficient number, since it is larger than the sum of its proper divisors (50511059).

252555265 is an equidigital number, since it uses as much as digits as its factorization.

252555265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50511058.

The product of its digits is 150000, while the sum is 37.

The square root of 252555265 is about 15891.9874465090. The cubic root of 252555265 is about 632.0995418506.

The spelling of 252555265 in words is "two hundred fifty-two million, five hundred fifty-five thousand, two hundred sixty-five".