69140353 has 2 divisors, whose sum is σ = 69140354. Its totient is φ = 69140352.

The previous prime is 69140327. The next prime is 69140363. The reversal of 69140353 is 35304196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 13965169 = 7428^2 + 3737^2 .

It is a cyclic number.

It is not a de Polignac number, because 69140353 - 2²¹ = 67043201 is a prime.

It is not a weakly prime, because it can be changed into another prime (69140363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34570176 + 34570177.

It is an arithmetic number, because the mean of its divisors is an integer number (34570177).

Almost surely, 2^69140353 is an apocalyptic number.

It is an amenable number.

69140353 is a deficient number, since it is larger than the sum of its proper divisors (1).

69140353 is an equidigital number, since it uses as much as digits as its factorization.

69140353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 69140353 is about 8315.0678289476. The cubic root of 69140353 is about 410.4345046619.

The spelling of 69140353 in words is "sixty-nine million, one hundred forty thousand, three hundred fifty-three".