825356623 has 12 divisors (see below), whose sum is σ = 1021406448. Its totient is φ = 653028480.

The previous prime is 825356621. The next prime is 825356627. The reversal of 825356623 is 326653528.

It is not a de Polignac number, because 825356623 - 2¹ = 825356621 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 (825356621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347658 + ... + 350023.

It is an arithmetic number, because the mean of its divisors is an integer number (85117204).

Almost surely, 2^825356623 is an apocalyptic number.

825356623 is a deficient number, since it is larger than the sum of its proper divisors (196049825).

825356623 is a wasteful number, since it uses less digits than its factorization.

825356623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697714 (or 697701 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 825356623 is about 28729.0205715405. The cubic root of 825356623 is about 938.0238486972.

The spelling of 825356623 in words is "eight hundred twenty-five million, three hundred fifty-six thousand, six hundred twenty-three".