197243265 has 32 divisors (see below), whose sum is σ = 337322880. Its totient is φ = 98069504.

The previous prime is 197243227. The next prime is 197243269. The reversal of 197243265 is 562342791.

It is a cyclic number.

It is not a de Polignac number, because 197243265 - 2⁹ = 197242753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197243269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23671 + ... + 30899.

It is an arithmetic number, because the mean of its divisors is an integer number (10541340).

Almost surely, 2^197243265 is an apocalyptic number.

197243265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197243265 is a deficient number, since it is larger than the sum of its proper divisors (140079615).

197243265 is a wasteful number, since it uses less digits than its factorization.

197243265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361.

The product of its digits is 90720, while the sum is 39.

The square root of 197243265 is about 14044.3321307921. The cubic root of 197243265 is about 582.1041930342.

The spelling of 197243265 in words is "one hundred ninety-seven million, two hundred forty-three thousand, two hundred sixty-five".