817250052 has 48 divisors (see below), whose sum is σ = 1932019712. Its totient is φ = 268855200.

The previous prime is 817250051. The next prime is 817250069. The reversal of 817250052 is 250052718.

It is not an unprimeable number, because it can be changed into a prime (817250051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293973 + ... + 296739.

Almost surely, 2^817250052 is an apocalyptic number.

It is an amenable number.

817250052 is an abundant number, since it is smaller than the sum of its proper divisors (1114769660).

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

817250052 is a wasteful number, since it uses less digits than its factorization.

817250052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 817250052 is about 28587.5856273313. The cubic root of 817250052 is about 934.9426798151.

The spelling of 817250052 in words is "eight hundred seventeen million, two hundred fifty thousand, fifty-two".