825584503 has 4 divisors (see below), whose sum is σ = 828079048. Its totient is φ = 823089960.

The previous prime is 825584489. The next prime is 825584509. The reversal of 825584503 is 305485528.

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

It is a cyclic number.

It is not a de Polignac number, because 825584503 - 2²¹ = 823487351 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 (825584509) 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, 1246776 + ... + 1247437.

It is an arithmetic number, because the mean of its divisors is an integer number (207019762).

Almost surely, 2^825584503 is an apocalyptic number.

825584503 is a deficient number, since it is larger than the sum of its proper divisors (2494545).

825584503 is a wasteful number, since it uses less digits than its factorization.

825584503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494544.

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 825584503 is about 28732.9863223439. The cubic root of 825584503 is about 938.1101698498.

The spelling of 825584503 in words is "eight hundred twenty-five million, five hundred eighty-four thousand, five hundred three".