825595505 has 32 divisors (see below), whose sum is σ = 1195084800. Its totient is φ = 534866112.

The previous prime is 825595499. The next prime is 825595517. The reversal of 825595505 is 505595528.

825595505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 825595505 - 2¹⁸ = 825333361 is a prime.

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, 277154 + ... + 280116.

It is an arithmetic number, because the mean of its divisors is an integer number (37346400).

Almost surely, 2^825595505 is an apocalyptic number.

It is an amenable number.

825595505 is a deficient number, since it is larger than the sum of its proper divisors (369489295).

825595505 is a wasteful number, since it uses less digits than its factorization.

825595505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 450000, while the sum is 44.

The square root of 825595505 is about 28733.1777741342. The cubic root of 825595505 is about 938.1143370155.

The spelling of 825595505 in words is "eight hundred twenty-five million, five hundred ninety-five thousand, five hundred five".