197925135 has 16 divisors (see below), whose sum is σ = 335308896. Its totient is φ = 99350528.

The previous prime is 197925127. The next prime is 197925137. The reversal of 197925135 is 531529791.

197925135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 197925135 - 2³ = 197925127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197925137) 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, 387834 + ... + 388343.

It is an arithmetic number, because the mean of its divisors is an integer number (20956806).

Almost surely, 2^197925135 is an apocalyptic number.

197925135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197925135 is a deficient number, since it is larger than the sum of its proper divisors (137383761).

197925135 is a wasteful number, since it uses less digits than its factorization.

197925135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776202.

The product of its digits is 85050, while the sum is 42.

The square root of 197925135 is about 14068.5868160238. The cubic root of 197925135 is about 582.7741996528.

The spelling of 197925135 in words is "one hundred ninety-seven million, nine hundred twenty-five thousand, one hundred thirty-five".