197313499 has 16 divisors (see below), whose sum is σ = 211140000. Its totient is φ = 183859200.

The previous prime is 197313497. The next prime is 197313517. The reversal of 197313499 is 994313791.

It is not a de Polignac number, because 197313499 - 2¹ = 197313497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197313497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439227 + ... + 439675.

It is an arithmetic number, because the mean of its divisors is an integer number (13196250).

Almost surely, 2^197313499 is an apocalyptic number.

197313499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

197313499 is a deficient number, since it is larger than the sum of its proper divisors (13826501).

197313499 is a wasteful number, since it uses less digits than its factorization.

197313499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 183708, while the sum is 46.

The square root of 197313499 is about 14046.8323475437. The cubic root of 197313499 is about 582.1732763466.

The spelling of 197313499 in words is "one hundred ninety-seven million, three hundred thirteen thousand, four hundred ninety-nine".