825151 has 8 divisors (see below), whose sum is σ = 877680. Its totient is φ = 773568.

The previous prime is 825131. The next prime is 825161. The reversal of 825151 is 151528.

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 825151 - 2¹⁵ = 792383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2445 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (109710).

2⁸²⁵¹⁵¹ is an apocalyptic number.

825151 is a deficient number, since it is larger than the sum of its proper divisors (52529).

825151 is a wasteful number, since it uses less digits than its factorization.

825151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 400, while the sum is 22.

The square root of 825151 is about 908.3782251904. The cubic root of 825151 is about 93.7945944879.

Adding to 825151 its reverse (151528), we get a palindrome (976679).

The spelling of 825151 in words is "eight hundred twenty-five thousand, one hundred fifty-one".