697393351 has 4 divisors (see below), whose sum is σ = 697545432. Its totient is φ = 697241272.

The previous prime is 697393321. The next prime is 697393357. The reversal of 697393351 is 153393796.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 697393351 - 2⁷ = 697393223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697393357) 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 in 3 ways as a sum of consecutive naturals, for example, 68941 + ... + 78406.

It is an arithmetic number, because the mean of its divisors is an integer number (174386358).

Almost surely, 2^697393351 is an apocalyptic number.

697393351 is a deficient number, since it is larger than the sum of its proper divisors (152081).

697393351 is a wasteful number, since it uses less digits than its factorization.

697393351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152080.

The product of its digits is 459270, while the sum is 46.

The square root of 697393351 is about 26408.2061299135. The cubic root of 697393351 is about 886.8005098955.

The spelling of 697393351 in words is "six hundred ninety-seven million, three hundred ninety-three thousand, three hundred fifty-one".