255000172 has 96 divisors (see below), whose sum is σ = 562028544. Its totient is φ = 98841600.

The previous prime is 255000167. The next prime is 255000181. The reversal of 255000172 is 271000552.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1057972 + ... + 1058212.

It is an arithmetic number, because the mean of its divisors is an integer number (5854464).

Almost surely, 2^255000172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255000172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281014272).

255000172 is an abundant number, since it is smaller than the sum of its proper divisors (307028372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255000172 is a wasteful number, since it uses less digits than its factorization.

255000172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 255000172 is about 15968.7248081993. The cubic root of 255000172 is about 634.1327131147.

The spelling of 255000172 in words is "two hundred fifty-five million, one hundred seventy-two", and thus it is an aban number.