70538603 has 2 divisors, whose sum is σ = 70538604. Its totient is φ = 70538602.

The previous prime is 70538597. The next prime is 70538639. The reversal of 70538603 is 30683507.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70538603 - 2¹⁴ = 70522219 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70538603.

It is not a weakly prime, because it can be changed into another prime (70538693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35269301 + 35269302.

It is an arithmetic number, because the mean of its divisors is an integer number (35269302).

Almost surely, 2^70538603 is an apocalyptic number.

70538603 is a deficient number, since it is larger than the sum of its proper divisors (1).

70538603 is an equidigital number, since it uses as much as digits as its factorization.

70538603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 70538603 is about 8398.7262724773. The cubic root of 70538603 is about 413.1828479383.

The spelling of 70538603 in words is "seventy million, five hundred thirty-eight thousand, six hundred three".