69540193 has 2 divisors, whose sum is σ = 69540194. Its totient is φ = 69540192.

The previous prime is 69540179. The next prime is 69540199. The reversal of 69540193 is 39104596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43652449 + 25887744 = 6607^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 69540193 - 2⁹ = 69539681 is a prime.

It is not a weakly prime, because it can be changed into another prime (69540199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34770096 + 34770097.

It is an arithmetic number, because the mean of its divisors is an integer number (34770097).

Almost surely, 2^69540193 is an apocalyptic number.

It is an amenable number.

69540193 is a deficient number, since it is larger than the sum of its proper divisors (1).

69540193 is an equidigital number, since it uses as much as digits as its factorization.

69540193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 69540193 is about 8339.0762677889. The cubic root of 69540193 is about 411.2241679620.

The spelling of 69540193 in words is "sixty-nine million, five hundred forty thousand, one hundred ninety-three".