197265479 has 2 divisors, whose sum is σ = 197265480. Its totient is φ = 197265478.

The previous prime is 197265469. The next prime is 197265527. The reversal of 197265479 is 974562791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197265479 - 2¹⁶ = 197199943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197265469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98632739 + 98632740.

It is an arithmetic number, because the mean of its divisors is an integer number (98632740).

Almost surely, 2^197265479 is an apocalyptic number.

197265479 is a deficient number, since it is larger than the sum of its proper divisors (1).

197265479 is an equidigital number, since it uses as much as digits as its factorization.

197265479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 197265479 is about 14045.1229613699. The cubic root of 197265479 is about 582.1260448613.

The spelling of 197265479 in words is "one hundred ninety-seven million, two hundred sixty-five thousand, four hundred seventy-nine".