825610994 has 16 divisors (see below), whose sum is σ = 1343865600. Its totient is φ = 378140880.

The previous prime is 825610993. The next prime is 825610997. The reversal of 825610994 is 499016528.

It is not an unprimeable number, because it can be changed into a prime (825610991) 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, 117794 + ... + 124605.

It is an arithmetic number, because the mean of its divisors is an integer number (83991600).

Almost surely, 2^825610994 is an apocalyptic number.

825610994 is a deficient number, since it is larger than the sum of its proper divisors (518254606).

825610994 is a wasteful number, since it uses less digits than its factorization.

825610994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242545.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 825610994 is about 28733.4473044917. The cubic root of 825610994 is about 938.1202036342.

The spelling of 825610994 in words is "eight hundred twenty-five million, six hundred ten thousand, nine hundred ninety-four".