697013 has 2 divisors, whose sum is σ = 697014. Its totient is φ = 697012.

The previous prime is 697009. The next prime is 697019. The reversal of 697013 is 310796.

It is a happy number.

697013 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 can be written as a sum of positive squares in only one way, i.e., 669124 + 27889 = 818^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 697013 - 2² = 697009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348506 + 348507.

It is an arithmetic number, because the mean of its divisors is an integer number (348507).

2⁶⁹⁷⁰¹³ is an apocalyptic number.

It is an amenable number.

697013 is a deficient number, since it is larger than the sum of its proper divisors (1).

697013 is an equidigital number, since it uses as much as digits as its factorization.

697013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 697013 is about 834.8730442409. The cubic root of 697013 is about 88.6639263354.

The spelling of 697013 in words is "six hundred ninety-seven thousand, thirteen".