34531603 has 2 divisors, whose sum is σ = 34531604. Its totient is φ = 34531602.

The previous prime is 34531591. The next prime is 34531649. The reversal of 34531603 is 30613543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34531603 is a prime.

It is not a weakly prime, because it can be changed into another prime (34531703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17265801 + 17265802.

It is an arithmetic number, because the mean of its divisors is an integer number (17265802).

Almost surely, 2^34531603 is an apocalyptic number.

34531603 is a deficient number, since it is larger than the sum of its proper divisors (1).

34531603 is an equidigital number, since it uses as much as digits as its factorization.

34531603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 34531603 is about 5876.3596724503. The cubic root of 34531603 is about 325.6408750579.

The spelling of 34531603 in words is "thirty-four million, five hundred thirty-one thousand, six hundred three".