197461975 has 6 divisors (see below), whose sum is σ = 244852880. Its totient is φ = 157969560.

The previous prime is 197461939. The next prime is 197461981. The reversal of 197461975 is 579164791.

It is not a de Polignac number, because 197461975 - 2²¹ = 195364823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3949215 + ... + 3949264.

Almost surely, 2^197461975 is an apocalyptic number.

197461975 is a deficient number, since it is larger than the sum of its proper divisors (47390905).

197461975 is an equidigital number, since it uses as much as digits as its factorization.

197461975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898489 (or 7898484 counting only the distinct ones).

The product of its digits is 476280, while the sum is 49.

The square root of 197461975 is about 14052.1163886441. The cubic root of 197461975 is about 582.3192658295.

The spelling of 197461975 in words is "one hundred ninety-seven million, four hundred sixty-one thousand, nine hundred seventy-five".