197615125 has 8 divisors (see below), whose sum is σ = 246623832. Its totient is φ = 158092000.

The previous prime is 197615107. The next prime is 197615129. The reversal of 197615125 is 521516791.

It can be written as a sum of positive squares in 4 ways, for example, as 15876 + 197599249 = 126^2 + 14057^2 .

It is not a de Polignac number, because 197615125 - 2⁷ = 197614997 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 (197615129) 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, 790336 + ... + 790585.

It is an arithmetic number, because the mean of its divisors is an integer number (30827979).

Almost surely, 2^197615125 is an apocalyptic number.

It is an amenable number.

197615125 is a deficient number, since it is larger than the sum of its proper divisors (49008707).

197615125 is an equidigital number, since it uses as much as digits as its factorization.

197615125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580936 (or 1580926 counting only the distinct ones).

The product of its digits is 18900, while the sum is 37.

The square root of 197615125 is about 14057.5646895186. The cubic root of 197615125 is about 582.4697743838.

The spelling of 197615125 in words is "one hundred ninety-seven million, six hundred fifteen thousand, one hundred twenty-five".