670553417 has 2 divisors, whose sum is σ = 670553418. Its totient is φ = 670553416.

The previous prime is 670553383. The next prime is 670553447. The reversal of 670553417 is 714355076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640292416 + 30261001 = 25304^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 670553417 - 2²⁶ = 603444553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670553447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335276708 + 335276709.

It is an arithmetic number, because the mean of its divisors is an integer number (335276709).

Almost surely, 2^670553417 is an apocalyptic number.

It is an amenable number.

670553417 is a deficient number, since it is larger than the sum of its proper divisors (1).

670553417 is an equidigital number, since it uses as much as digits as its factorization.

670553417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 670553417 is about 25895.0461864813. The cubic root of 670553417 is about 875.2748707049.

The spelling of 670553417 in words is "six hundred seventy million, five hundred fifty-three thousand, four hundred seventeen".