163927025 has 6 divisors (see below), whose sum is σ = 203269542. Its totient is φ = 131141600.

The previous prime is 163927019. The next prime is 163927031. The reversal of 163927025 is 520729361.

It is an interprime number because it is at equal distance from previous prime (163927019) and next prime (163927031).

It can be written as a sum of positive squares in 3 ways, for example, as 55413136 + 108513889 = 7444^2 + 10417^2 .

It is not a de Polignac number, because 163927025 - 2¹² = 163922929 is a prime.

It is a Duffinian 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, 3278516 + ... + 3278565.

It is an arithmetic number, because the mean of its divisors is an integer number (33878257).

Almost surely, 2^163927025 is an apocalyptic number.

It is an amenable number.

163927025 is a deficient number, since it is larger than the sum of its proper divisors (39342517).

163927025 is an equidigital number, since it uses as much as digits as its factorization.

163927025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557091 (or 6557086 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 163927025 is about 12803.3989627755. The cubic root of 163927025 is about 547.2891677264.

The spelling of 163927025 in words is "one hundred sixty-three million, nine hundred twenty-seven thousand, twenty-five".