197019625 has 16 divisors (see below), whose sum is σ = 268235136. Its totient is φ = 143286000.

The previous prime is 197019623. The next prime is 197019659. The reversal of 197019625 is 526910791.

It is not a de Polignac number, because 197019625 - 2¹ = 197019623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197019623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70269 + ... + 73018.

It is an arithmetic number, because the mean of its divisors is an integer number (16764696).

Almost surely, 2^197019625 is an apocalyptic number.

It is an amenable number.

197019625 is a deficient number, since it is larger than the sum of its proper divisors (71215511).

197019625 is a wasteful number, since it uses less digits than its factorization.

197019625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143313 (or 143303 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 197019625 is about 14036.3679418858. The cubic root of 197019625 is about 581.8841077603.

The spelling of 197019625 in words is "one hundred ninety-seven million, nineteen thousand, six hundred twenty-five".