825906493 has 8 divisors (see below), whose sum is σ = 833131808. Its totient is φ = 818707824.

The previous prime is 825906481. The next prime is 825906503. The reversal of 825906493 is 394609528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825906493 - 2²⁵ = 792352061 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 (825906413) 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, 58330 + ... + 71092.

It is an arithmetic number, because the mean of its divisors is an integer number (104141476).

Almost surely, 2^825906493 is an apocalyptic number.

It is an amenable number.

825906493 is a deficient number, since it is larger than the sum of its proper divisors (7225315).

825906493 is a wasteful number, since it uses less digits than its factorization.

825906493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13323.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 825906493 is about 28738.5889180384. The cubic root of 825906493 is about 938.2321128819.

The spelling of 825906493 in words is "eight hundred twenty-five million, nine hundred six thousand, four hundred ninety-three".