825238015 has 32 divisors (see below), whose sum is σ = 1158312960. Its totient is φ = 552724224.

The previous prime is 825237991. The next prime is 825238027. The reversal of 825238015 is 510832528.

825238015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 825238015 - 2²¹ = 823140863 is a prime.

It is a super-2 number, since 2×825238015² = 1362035562802280450, which contains 22 as substring.

It is a congruent number.

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, 343659 + ... + 346051.

It is an arithmetic number, because the mean of its divisors is an integer number (36197280).

Almost surely, 2^825238015 is an apocalyptic number.

825238015 is a deficient number, since it is larger than the sum of its proper divisors (333074945).

825238015 is a wasteful number, since it uses less digits than its factorization.

825238015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 825238015 is about 28726.9562432221. The cubic root of 825238015 is about 937.9789135910.

The spelling of 825238015 in words is "eight hundred twenty-five million, two hundred thirty-eight thousand, fifteen".