163532500 has 30 divisors (see below), whose sum is σ = 357618338. Its totient is φ = 65412000.

The previous prime is 163532497. The next prime is 163532513. The reversal of 163532500 is 5235361.

It is a happy number.

163532500 is digitally balanced in base 3, 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 5 ways, for example, as 84713616 + 78818884 = 9204^2 + 8878^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30207 + ... + 35206.

Almost surely, 2^163532500 is an apocalyptic number.

163532500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163532500 is an abundant number, since it is smaller than the sum of its proper divisors (194085838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163532500 is an equidigital number, since it uses as much as digits as its factorization.

163532500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65437 (or 65420 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 163532500 is about 12787.9826399632. The cubic root of 163532500 is about 546.8497593793.

Adding to 163532500 its reverse (5235361), we get a palindrome (168767861).

The spelling of 163532500 in words is "one hundred sixty-three million, five hundred thirty-two thousand, five hundred".