252525155 has 8 divisors (see below), whose sum is σ = 303506784. Its totient is φ = 201702400.

The previous prime is 252525151. The next prime is 252525193. The reversal of 252525155 is 551525252.

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

It is not a de Polignac number, because 252525155 - 2² = 252525151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252525151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36191 + ... + 42600.

It is an arithmetic number, because the mean of its divisors is an integer number (37938348).

Almost surely, 2^252525155 is an apocalyptic number.

252525155 is a deficient number, since it is larger than the sum of its proper divisors (50981629).

252525155 is an equidigital number, since it uses as much as digits as its factorization.

252525155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79437.

The product of its digits is 25000, while the sum is 32.

The square root of 252525155 is about 15891.0400855325. The cubic root of 252525155 is about 632.0744209150.

The spelling of 252525155 in words is "two hundred fifty-two million, five hundred twenty-five thousand, one hundred fifty-five".