825009494 has 8 divisors (see below), whose sum is σ = 1291319280. Its totient is φ = 394569736.

The previous prime is 825009467. The next prime is 825009529. The reversal of 825009494 is 494900528.

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

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, 8967449 + ... + 8967540.

It is an arithmetic number, because the mean of its divisors is an integer number (161414910).

Almost surely, 2^825009494 is an apocalyptic number.

825009494 is a deficient number, since it is larger than the sum of its proper divisors (466309786).

825009494 is a wasteful number, since it uses less digits than its factorization.

825009494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17935014.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 825009494 is about 28722.9785015412. The cubic root of 825009494 is about 937.8923253729.

The spelling of 825009494 in words is "eight hundred twenty-five million, nine thousand, four hundred ninety-four".