825013616 has 20 divisors (see below), whose sum is σ = 1826816112. Its totient is φ = 353577216.

The previous prime is 825013591. The next prime is 825013619. The reversal of 825013616 is 616310528.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825013619) 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, 3682985 + ... + 3683208.

Almost surely, 2^825013616 is an apocalyptic number.

It is an amenable number.

825013616 is an abundant number, since it is smaller than the sum of its proper divisors (1001802496).

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

825013616 is a wasteful number, since it uses less digits than its factorization.

825013616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366208 (or 7366202 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 825013616 is about 28723.0502558485. The cubic root of 825013616 is about 937.8938873694.

The spelling of 825013616 in words is "eight hundred twenty-five million, thirteen thousand, six hundred sixteen".