696537671 has 2 divisors, whose sum is σ = 696537672. Its totient is φ = 696537670.

The previous prime is 696537661. The next prime is 696537683. The reversal of 696537671 is 176735696.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696537671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696537661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348268835 + 348268836.

It is an arithmetic number, because the mean of its divisors is an integer number (348268836).

Almost surely, 2^696537671 is an apocalyptic number.

696537671 is a deficient number, since it is larger than the sum of its proper divisors (1).

696537671 is an equidigital number, since it uses as much as digits as its factorization.

696537671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 696537671 is about 26392.0001326159. Note that the first 3 decimals coincide. The cubic root of 696537671 is about 886.4376692215.

The spelling of 696537671 in words is "six hundred ninety-six million, five hundred thirty-seven thousand, six hundred seventy-one".