697955 has 4 divisors (see below), whose sum is σ = 837552. Its totient is φ = 558360.

The previous prime is 697951. The next prime is 697967. The reversal of 697955 is 559796.

697955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 697955 - 2² = 697951 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697955.

It is not an unprimeable number, because it can be changed into a prime (697951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69791 + ... + 69800.

It is an arithmetic number, because the mean of its divisors is an integer number (209388).

2⁶⁹⁷⁹⁵⁵ is an apocalyptic number.

697955 is a deficient number, since it is larger than the sum of its proper divisors (139597).

697955 is a wasteful number, since it uses less digits than its factorization.

697955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139596.

The product of its digits is 85050, while the sum is 41.

The square root of 697955 is about 835.4370113898. The cubic root of 697955 is about 88.7038508996.

The spelling of 697955 in words is "six hundred ninety-seven thousand, nine hundred fifty-five".