825023424 has 28 divisors (see below), whose sum is σ = 2182874984. Its totient is φ = 275007744.

The previous prime is 825023417. The next prime is 825023431. The reversal of 825023424 is 424320528.

It is an interprime number because it is at equal distance from previous prime (825023417) and next prime (825023431).

It is a junction number, because it is equal to n+sod(n) for n = 825023391 and 825023400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148307 + ... + 2148690.

Almost surely, 2^825023424 is an apocalyptic number.

It is an amenable number.

825023424 is an abundant number, since it is smaller than the sum of its proper divisors (1357851560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825023424 is a wasteful number, since it uses less digits than its factorization.

825023424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297012 (or 4297002 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 825023424 is about 28723.2209892971. The cubic root of 825023424 is about 937.8976040057.

The spelling of 825023424 in words is "eight hundred twenty-five million, twenty-three thousand, four hundred twenty-four".