825931263 has 4 divisors (see below), whose sum is σ = 1101241688. Its totient is φ = 550620840.

The previous prime is 825931261. The next prime is 825931283. The reversal of 825931263 is 362139528.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 825931263 - 2¹ = 825931261 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 (825931261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137655208 + ... + 137655213.

It is an arithmetic number, because the mean of its divisors is an integer number (275310422).

Almost surely, 2^825931263 is an apocalyptic number.

825931263 is a deficient number, since it is larger than the sum of its proper divisors (275310425).

825931263 is a wasteful number, since it uses less digits than its factorization.

825931263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275310424.

The product of its digits is 77760, while the sum is 39.

The square root of 825931263 is about 28739.0198684645. The cubic root of 825931263 is about 938.2414923848.

The spelling of 825931263 in words is "eight hundred twenty-five million, nine hundred thirty-one thousand, two hundred sixty-three".