697540613 has 16 divisors (see below), whose sum is σ = 893169024. Its totient is φ = 528845760.

The previous prime is 697540603. The next prime is 697540637. The reversal of 697540613 is 316045796.

It is a cyclic number.

It is not a de Polignac number, because 697540613 - 2⁸ = 697540357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697540603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119570 + ... + 125267.

It is an arithmetic number, because the mean of its divisors is an integer number (55823064).

Almost surely, 2^697540613 is an apocalyptic number.

It is an amenable number.

697540613 is a deficient number, since it is larger than the sum of its proper divisors (195628411).

697540613 is a wasteful number, since it uses less digits than its factorization.

697540613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244892.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 697540613 is about 26410.9941690956. The cubic root of 697540613 is about 886.8629246125.

The spelling of 697540613 in words is "six hundred ninety-seven million, five hundred forty thousand, six hundred thirteen".