697273089 has 4 divisors (see below), whose sum is σ = 929697456. Its totient is φ = 464848724.

The previous prime is 697273069. The next prime is 697273117. The reversal of 697273089 is 980372796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-697273089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (697273069) 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, 116212179 + ... + 116212184.

It is an arithmetic number, because the mean of its divisors is an integer number (232424364).

Almost surely, 2^697273089 is an apocalyptic number.

It is an amenable number.

697273089 is a deficient number, since it is larger than the sum of its proper divisors (232424367).

697273089 is a wasteful number, since it uses less digits than its factorization.

697273089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232424366.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 697273089 is about 26405.9290501205. The cubic root of 697273089 is about 886.7495321923.

The spelling of 697273089 in words is "six hundred ninety-seven million, two hundred seventy-three thousand, eighty-nine".