197642575 has 12 divisors (see below), whose sum is σ = 263929288. Its totient is φ = 145951200.

The previous prime is 197642573. The next prime is 197642593. The reversal of 197642575 is 575246791.

It is not a de Polignac number, because 197642575 - 2¹ = 197642573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197642573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303741 + ... + 304390.

Almost surely, 2^197642575 is an apocalyptic number.

197642575 is a deficient number, since it is larger than the sum of its proper divisors (66286713).

197642575 is a wasteful number, since it uses less digits than its factorization.

197642575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608154 (or 608149 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The square root of 197642575 is about 14058.5409982686. The cubic root of 197642575 is about 582.4967427228.

It can be divided in two parts, 1976 and 42575, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 197642575 in words is "one hundred ninety-seven million, six hundred forty-two thousand, five hundred seventy-five".