6716531603 has 2 divisors, whose sum is σ = 6716531604. Its totient is φ = 6716531602.

The previous prime is 6716531567. The next prime is 6716531623. The reversal of 6716531603 is 3061356176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6716531603 - 2⁶ = 6716531539 is a prime.

It is a super-2 number, since 2×6716531603² = 90223593548195499218, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6716531623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358265801 + 3358265802.

It is an arithmetic number, because the mean of its divisors is an integer number (3358265802).

Almost surely, 2^6716531603 is an apocalyptic number.

6716531603 is a deficient number, since it is larger than the sum of its proper divisors (1).

6716531603 is an equidigital number, since it uses as much as digits as its factorization.

6716531603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 6716531603 is about 81954.4483417465. The cubic root of 6716531603 is about 1886.7528768176.

Adding to 6716531603 its reverse (3061356176), we get a palindrome (9777887779).

The spelling of 6716531603 in words is "six billion, seven hundred sixteen million, five hundred thirty-one thousand, six hundred three".