197523265 has 4 divisors (see below), whose sum is σ = 237027924. Its totient is φ = 158018608.

The previous prime is 197523247. The next prime is 197523283. The reversal of 197523265 is 562325791.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (197523247) and next prime (197523283).

It can be written as a sum of positive squares in 2 ways, for example, as 110082064 + 87441201 = 10492^2 + 9351^2 .

It is a cyclic number.

It is not a de Polignac number, because 197523265 - 2⁵ = 197523233 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19752322 + ... + 19752331.

It is an arithmetic number, because the mean of its divisors is an integer number (59256981).

Almost surely, 2^197523265 is an apocalyptic number.

It is an amenable number.

197523265 is a deficient number, since it is larger than the sum of its proper divisors (39504659).

197523265 is an equidigital number, since it uses as much as digits as its factorization.

197523265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39504658.

The product of its digits is 113400, while the sum is 40.

The square root of 197523265 is about 14054.2970297344. The cubic root of 197523265 is about 582.3795080708.

The spelling of 197523265 in words is "one hundred ninety-seven million, five hundred twenty-three thousand, two hundred sixty-five".