197432250 has 64 divisors (see below), whose sum is σ = 500273280. Its totient is φ = 51849600.

The previous prime is 197432233. The next prime is 197432267. The reversal of 197432250 is 52234791.

It is an interprime number because it is at equal distance from previous prime (197432233) and next prime (197432267).

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, 48286 + ... + 52214.

It is an arithmetic number, because the mean of its divisors is an integer number (7816770).

Almost surely, 2^197432250 is an apocalyptic number.

197432250 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 197432250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250136640).

197432250 is an abundant number, since it is smaller than the sum of its proper divisors (302841030).

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

197432250 is a wasteful number, since it uses less digits than its factorization.

197432250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016 (or 4006 counting only the distinct ones).

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

The square root of 197432250 is about 14051.0586789750. The cubic root of 197432250 is about 582.2900444924.

The spelling of 197432250 in words is "one hundred ninety-seven million, four hundred thirty-two thousand, two hundred fifty".