613697 has 4 divisors (see below), whose sum is σ = 701376. Its totient is φ = 526020.

The previous prime is 613673. The next prime is 613699. The reversal of 613697 is 796316.

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 not a de Polignac number, because 613697 - 2⁶ = 613633 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 613697.

It is not an unprimeable number, because it can be changed into a prime (613699) 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, 43829 + ... + 43842.

It is an arithmetic number, because the mean of its divisors is an integer number (175344).

2⁶¹³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

613697 is a deficient number, since it is larger than the sum of its proper divisors (87679).

613697 is an equidigital number, since it uses as much as digits as its factorization.

613697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87678.

The product of its digits is 6804, while the sum is 32.

The square root of 613697 is about 783.3881541101. The cubic root of 613697 is about 84.9802491596.

The spelling of 613697 in words is "six hundred thirteen thousand, six hundred ninety-seven".