163463725 has 6 divisors (see below), whose sum is σ = 202695050. Its totient is φ = 130770960.

The previous prime is 163463723. The next prime is 163463747. The reversal of 163463725 is 527364361.

163463725 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 24860196 + 138603529 = 4986^2 + 11773^2 .

It is not a de Polignac number, because 163463725 - 2¹ = 163463723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163463723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3269250 + ... + 3269299.

Almost surely, 2^163463725 is an apocalyptic number.

It is an amenable number.

163463725 is a deficient number, since it is larger than the sum of its proper divisors (39231325).

163463725 is an equidigital number, since it uses as much as digits as its factorization.

163463725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538559 (or 6538554 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 163463725 is about 12785.2933091111. The cubic root of 163463725 is about 546.7730878394.

The spelling of 163463725 in words is "one hundred sixty-three million, four hundred sixty-three thousand, seven hundred twenty-five".