197182093 has 2 divisors, whose sum is σ = 197182094. Its totient is φ = 197182092.

The previous prime is 197182091. The next prime is 197182121. The reversal of 197182093 is 390281791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161874729 + 35307364 = 12723^2 + 5942^2 .

It is a cyclic number.

It is not a de Polignac number, because 197182093 - 2¹ = 197182091 is a prime.

It is a super-3 number, since 3×197182093³ (a number of 26 digits) contains 333 as substring.

Together with 197182091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197182091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98591046 + 98591047.

It is an arithmetic number, because the mean of its divisors is an integer number (98591047).

Almost surely, 2^197182093 is an apocalyptic number.

It is an amenable number.

197182093 is a deficient number, since it is larger than the sum of its proper divisors (1).

197182093 is an equidigital number, since it uses as much as digits as its factorization.

197182093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 197182093 is about 14042.1541438627. The cubic root of 197182093 is about 582.0440098902.

The spelling of 197182093 in words is "one hundred ninety-seven million, one hundred eighty-two thousand, ninety-three".