197105953 has 8 divisors (see below), whose sum is σ = 222439680. Its totient is φ = 173008080.

The previous prime is 197105933. The next prime is 197105959. The reversal of 197105953 is 359501791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197105953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197105959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308625 + ... + 309262.

It is an arithmetic number, because the mean of its divisors is an integer number (27804960).

Almost surely, 2^197105953 is an apocalyptic number.

It is an amenable number.

197105953 is a deficient number, since it is larger than the sum of its proper divisors (25333727).

197105953 is a wasteful number, since it uses less digits than its factorization.

197105953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617927.

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 197105953 is about 14039.4427595970. The cubic root of 197105953 is about 581.9690833157.

The spelling of 197105953 in words is "one hundred ninety-seven million, one hundred five thousand, nine hundred fifty-three".