70135603 has 2 divisors, whose sum is σ = 70135604. Its totient is φ = 70135602.

The previous prime is 70135577. The next prime is 70135627. The reversal of 70135603 is 30653107.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30653107) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70135603 is a prime.

It is not a weakly prime, because it can be changed into another prime (70135003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35067801 + 35067802.

It is an arithmetic number, because the mean of its divisors is an integer number (35067802).

Almost surely, 2^70135603 is an apocalyptic number.

70135603 is a deficient number, since it is larger than the sum of its proper divisors (1).

70135603 is an equidigital number, since it uses as much as digits as its factorization.

70135603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 70135603 is about 8374.7001737376. The cubic root of 70135603 is about 412.3944814891.

The spelling of 70135603 in words is "seventy million, one hundred thirty-five thousand, six hundred three".