697901 has 8 divisors (see below), whose sum is σ = 752184. Its totient is φ = 645120.

The previous prime is 697897. The next prime is 697909. The reversal of 697901 is 109796.

697901 = T₄₀ + T₄₁ + ... + T₁₆₁.

697901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15625 + 682276 = 125^2 + 826^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697901 - 2² = 697897 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697901.

It is not an unprimeable number, because it can be changed into a prime (697909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (94023).

2⁶⁹⁷⁹⁰¹ is an apocalyptic number.

697901 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

697901 is a deficient number, since it is larger than the sum of its proper divisors (54283).

697901 is a wasteful number, since it uses less digits than its factorization.

697901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 697901 is about 835.4046923498. The cubic root of 697901 is about 88.7015632013.

The spelling of 697901 in words is "six hundred ninety-seven thousand, nine hundred one".