252500155 has 8 divisors (see below), whose sum is σ = 304524000. Its totient is φ = 200984256.

The previous prime is 252500147. The next prime is 252500189. The reversal of 252500155 is 551005252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252500155 - 2³ = 252500147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125890 + ... + 127879.

It is an arithmetic number, because the mean of its divisors is an integer number (38065500).

Almost surely, 2^252500155 is an apocalyptic number.

252500155 is a deficient number, since it is larger than the sum of its proper divisors (52023845).

252500155 is a wasteful number, since it uses less digits than its factorization.

252500155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253973.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 252500155 is about 15890.2534592750. The cubic root of 252500155 is about 632.0535617627.

The spelling of 252500155 in words is "two hundred fifty-two million, five hundred thousand, one hundred fifty-five".