197269213 has 4 divisors (see below), whose sum is σ = 203632768. Its totient is φ = 190905660.

The previous prime is 197269211. The next prime is 197269249. The reversal of 197269213 is 312962791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312962791 = 4127 ⋅75833.

It is a cyclic number.

It is not a de Polignac number, because 197269213 - 2¹ = 197269211 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 (197269211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3181731 + ... + 3181792.

It is an arithmetic number, because the mean of its divisors is an integer number (50908192).

Almost surely, 2^197269213 is an apocalyptic number.

It is an amenable number.

197269213 is a deficient number, since it is larger than the sum of its proper divisors (6363555).

197269213 is an equidigital number, since it uses as much as digits as its factorization.

197269213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363554.

The product of its digits is 40824, while the sum is 40.

The square root of 197269213 is about 14045.2558894454. The cubic root of 197269213 is about 582.1297178218.

The spelling of 197269213 in words is "one hundred ninety-seven million, two hundred sixty-nine thousand, two hundred thirteen".