825452155 has 8 divisors (see below), whose sum is σ = 1080591984. Its totient is φ = 600328800.

The previous prime is 825452141. The next prime is 825452191. The reversal of 825452155 is 551254528.

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

It is a de Polignac number, because none of the positive numbers 2^k-825452155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7504056 + ... + 7504165.

It is an arithmetic number, because the mean of its divisors is an integer number (135073998).

Almost surely, 2^825452155 is an apocalyptic number.

825452155 is a deficient number, since it is larger than the sum of its proper divisors (255139829).

825452155 is a wasteful number, since it uses less digits than its factorization.

825452155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008237.

The product of its digits is 80000, while the sum is 37.

The square root of 825452155 is about 28730.6831627791. The cubic root of 825452155 is about 938.0600382403.

The spelling of 825452155 in words is "eight hundred twenty-five million, four hundred fifty-two thousand, one hundred fifty-five".