163124825 has 6 divisors (see below), whose sum is σ = 202274814. Its totient is φ = 130499840.

The previous prime is 163124813. The next prime is 163124867. The reversal of 163124825 is 528421361.

163124825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 841 + 163123984 = 29^2 + 12772^2 .

It is not a de Polignac number, because 163124825 - 2⁶ = 163124761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163124791 and 163124800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3262472 + ... + 3262521.

It is an arithmetic number, because the mean of its divisors is an integer number (33712469).

Almost surely, 2^163124825 is an apocalyptic number.

It is an amenable number.

163124825 is a deficient number, since it is larger than the sum of its proper divisors (39149989).

163124825 is an equidigital number, since it uses as much as digits as its factorization.

163124825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525003 (or 6524998 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 163124825 is about 12772.0329235404. The cubic root of 163124825 is about 546.3949619373.

The spelling of 163124825 in words is "one hundred sixty-three million, one hundred twenty-four thousand, eight hundred twenty-five".