697774351 has 2 divisors, whose sum is σ = 697774352. Its totient is φ = 697774350.

The previous prime is 697774349. The next prime is 697774387. The reversal of 697774351 is 153477796.

697774351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 697774351 - 2¹ = 697774349 is a prime.

Together with 697774349, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 697774295 and 697774304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697774751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348887175 + 348887176.

It is an arithmetic number, because the mean of its divisors is an integer number (348887176).

Almost surely, 2^697774351 is an apocalyptic number.

697774351 is a deficient number, since it is larger than the sum of its proper divisors (1).

697774351 is an equidigital number, since it uses as much as digits as its factorization.

697774351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 697774351 is about 26415.4188117471. The cubic root of 697774351 is about 886.9619728078.

The spelling of 697774351 in words is "six hundred ninety-seven million, seven hundred seventy-four thousand, three hundred fifty-one".