825473660 has 24 divisors (see below), whose sum is σ = 1891085616. Its totient is φ = 300172160.

The previous prime is 825473653. The next prime is 825473681. The reversal of 825473660 is 66374528.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875857 + ... + 1876296.

It is an arithmetic number, because the mean of its divisors is an integer number (78795234).

Almost surely, 2^825473660 is an apocalyptic number.

It is an amenable number.

825473660 is an abundant number, since it is smaller than the sum of its proper divisors (1065611956).

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

825473660 is a wasteful number, since it uses less digits than its factorization.

825473660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752173 (or 3752171 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 825473660 is about 28731.0574117974. The cubic root of 825473660 is about 938.0681844043.

The spelling of 825473660 in words is "eight hundred twenty-five million, four hundred seventy-three thousand, six hundred sixty".