197527950 has 48 divisors (see below), whose sum is σ = 544302960. Its totient is φ = 52673760.

The previous prime is 197527949. The next prime is 197527951. The reversal of 197527950 is 59725791.

It is an interprime number because it is at equal distance from previous prime (197527949) and next prime (197527951).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 197527896 and 197527905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197527951) 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 23 ways as a sum of consecutive naturals, for example, 71809 + ... + 74508.

It is an arithmetic number, because the mean of its divisors is an integer number (11339645).

Almost surely, 2^197527950 is an apocalyptic number.

197527950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197527950 is an abundant number, since it is smaller than the sum of its proper divisors (346775010).

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

197527950 is a wasteful number, since it uses less digits than its factorization.

197527950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146338 (or 146327 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 45.

The square root of 197527950 is about 14054.4637037491. The cubic root of 197527950 is about 582.3841124675.

The spelling of 197527950 in words is "one hundred ninety-seven million, five hundred twenty-seven thousand, nine hundred fifty".