670654603 has 2 divisors, whose sum is σ = 670654604. Its totient is φ = 670654602.

The previous prime is 670654597. The next prime is 670654613. The reversal of 670654603 is 306456076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670654603 - 2⁹ = 670654091 is a prime.

It is not a weakly prime, because it can be changed into another prime (670654613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335327301 + 335327302.

It is an arithmetic number, because the mean of its divisors is an integer number (335327302).

Almost surely, 2^670654603 is an apocalyptic number.

670654603 is a deficient number, since it is larger than the sum of its proper divisors (1).

670654603 is an equidigital number, since it uses as much as digits as its factorization.

670654603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 670654603 is about 25896.9998841565. Note that the first 3 decimals coincide. The cubic root of 670654603 is about 875.3188945944.

The spelling of 670654603 in words is "six hundred seventy million, six hundred fifty-four thousand, six hundred three".