163134025 has 6 divisors (see below), whose sum is σ = 202286222. Its totient is φ = 130507200.

The previous prime is 163134011. The next prime is 163134029. The reversal of 163134025 is 520431361.

163134025 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 622521 + 162511504 = 789^2 + 12748^2 .

It is not a de Polignac number, because 163134025 - 2⁷ = 163133897 is a prime.

It is a super-2 number, since 2×163134025² = 53225420225401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 6525361 = 163134025 / (1 + 6 + 3 + 1 + 3 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163134029) 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, 3262656 + ... + 3262705.

Almost surely, 2^163134025 is an apocalyptic number.

It is an amenable number.

163134025 is a deficient number, since it is larger than the sum of its proper divisors (39152197).

163134025 is an equidigital number, since it uses as much as digits as its factorization.

163134025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525371 (or 6525366 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 163134025 is about 12772.3930803902. The cubic root of 163134025 is about 546.4052337014.

Adding to 163134025 its reverse (520431361), we get a palindrome (683565386).

The spelling of 163134025 in words is "one hundred sixty-three million, one hundred thirty-four thousand, twenty-five".