670212253 has 2 divisors, whose sum is σ = 670212254. Its totient is φ = 670212252.

The previous prime is 670212247. The next prime is 670212317. The reversal of 670212253 is 352212076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563255289 + 106956964 = 23733^2 + 10342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670212253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670212353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335106126 + 335106127.

It is an arithmetic number, because the mean of its divisors is an integer number (335106127).

Almost surely, 2^670212253 is an apocalyptic number.

It is an amenable number.

670212253 is a deficient number, since it is larger than the sum of its proper divisors (1).

670212253 is an equidigital number, since it uses as much as digits as its factorization.

670212253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 670212253 is about 25888.4579108142. The cubic root of 670212253 is about 875.1264048132.

The spelling of 670212253 in words is "six hundred seventy million, two hundred twelve thousand, two hundred fifty-three".