197402500 has 45 divisors (see below), whose sum is σ = 433221481. Its totient is φ = 78680000.

The previous prime is 197402483. The next prime is 197402503. The reversal of 197402500 is 5204791.

It is a happy number.

The square root of 197402500 is 14050.

It is a perfect power (a square), and thus also a powerful number.

197402500 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 7 ways, for example, as 119115396 + 78287104 = 10914^2 + 8848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197402503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 702360 + ... + 702640.

Almost surely, 2^197402500 is an apocalyptic number.

197402500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197402500 is the 14050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197402500

197402500 is an abundant number, since it is smaller than the sum of its proper divisors (235818981).

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

197402500 is an frugal number, since it uses more digits than its factorization.

197402500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The cubic root of 197402500 is about 582.2607956421.

The spelling of 197402500 in words is "one hundred ninety-seven million, four hundred two thousand, five hundred".