197243250 has 64 divisors (see below), whose sum is σ = 498700800. Its totient is φ = 51916800.

The previous prime is 197243227. The next prime is 197243269. The reversal of 197243250 is 52342791.

197243250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57586 + ... + 60914.

It is an arithmetic number, because the mean of its divisors is an integer number (7792200).

Almost surely, 2^197243250 is an apocalyptic number.

197243250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197243250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249350400).

197243250 is an abundant number, since it is smaller than the sum of its proper divisors (301457550).

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

197243250 is a wasteful number, since it uses less digits than its factorization.

197243250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 197243250 is about 14044.3315967689. The cubic root of 197243250 is about 582.1041782782.

The spelling of 197243250 in words is "one hundred ninety-seven million, two hundred forty-three thousand, two hundred fifty".