163860325 has 6 divisors (see below), whose sum is σ = 203186834. Its totient is φ = 131088240.

The previous prime is 163860311. The next prime is 163860337. The reversal of 163860325 is 523068361.

163860325 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 173889 + 163686436 = 417^2 + 12794^2 .

It is not a de Polignac number, because 163860325 - 2⁵ = 163860293 is a prime.

It is a super-2 number, since 2×163860325² = 53700412218211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 3277182 + ... + 3277231.

Almost surely, 2^163860325 is an apocalyptic number.

It is an amenable number.

163860325 is a deficient number, since it is larger than the sum of its proper divisors (39326509).

163860325 is an equidigital number, since it uses as much as digits as its factorization.

163860325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554423 (or 6554418 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 163860325 is about 12800.7939206910. The cubic root of 163860325 is about 547.2149291241.

The spelling of 163860325 in words is "one hundred sixty-three million, eight hundred sixty thousand, three hundred twenty-five".