697342343 has 2 divisors, whose sum is σ = 697342344. Its totient is φ = 697342342.

The previous prime is 697342319. The next prime is 697342361. The reversal of 697342343 is 343243796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697342343 - 2¹⁶ = 697276807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 697342343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697342043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348671171 + 348671172.

It is an arithmetic number, because the mean of its divisors is an integer number (348671172).

Almost surely, 2^697342343 is an apocalyptic number.

697342343 is a deficient number, since it is larger than the sum of its proper divisors (1).

697342343 is an equidigital number, since it uses as much as digits as its factorization.

697342343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 41.

The square root of 697342343 is about 26407.2403518429. The cubic root of 697342343 is about 886.7788888963.

The spelling of 697342343 in words is "six hundred ninety-seven million, three hundred forty-two thousand, three hundred forty-three".