825270424 has 32 divisors (see below), whose sum is σ = 1689848640. Its totient is φ = 374724000.

The previous prime is 825270421. The next prime is 825270443. The reversal of 825270424 is 424072528.

It is a self number, because there is not a number n which added to its sum of digits gives 825270424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825270421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88027 + ... + 96949.

It is an arithmetic number, because the mean of its divisors is an integer number (52807770).

Almost surely, 2^825270424 is an apocalyptic number.

It is an amenable number.

825270424 is an abundant number, since it is smaller than the sum of its proper divisors (864578216).

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

825270424 is a wasteful number, since it uses less digits than its factorization.

825270424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991 (or 9987 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 825270424 is about 28727.5203245947. The cubic root of 825270424 is about 937.9911922953.

The spelling of 825270424 in words is "eight hundred twenty-five million, two hundred seventy thousand, four hundred twenty-four".