670671503 has 2 divisors, whose sum is σ = 670671504. Its totient is φ = 670671502.

The previous prime is 670671431. The next prime is 670671619. The reversal of 670671503 is 305176076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670671503 - 2¹⁶ = 670605967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670671203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335335751 + 335335752.

It is an arithmetic number, because the mean of its divisors is an integer number (335335752).

Almost surely, 2^670671503 is an apocalyptic number.

670671503 is a deficient number, since it is larger than the sum of its proper divisors (1).

670671503 is an equidigital number, since it uses as much as digits as its factorization.

670671503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 670671503 is about 25897.3261747231. The cubic root of 670671503 is about 875.3262469955.

The spelling of 670671503 in words is "six hundred seventy million, six hundred seventy-one thousand, five hundred three".