670591153 has 2 divisors, whose sum is σ = 670591154. Its totient is φ = 670591152.

The previous prime is 670591147. The next prime is 670591169. The reversal of 670591153 is 351195076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644550544 + 26040609 = 25388^2 + 5103^2 .

It is a cyclic number.

It is not a de Polignac number, because 670591153 - 2¹⁷ = 670460081 is a prime.

It is not a weakly prime, because it can be changed into another prime (670591133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335295576 + 335295577.

It is an arithmetic number, because the mean of its divisors is an integer number (335295577).

Almost surely, 2^670591153 is an apocalyptic number.

It is an amenable number.

670591153 is a deficient number, since it is larger than the sum of its proper divisors (1).

670591153 is an equidigital number, since it uses as much as digits as its factorization.

670591153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 670591153 is about 25895.7748098025. The cubic root of 670591153 is about 875.2912893585.

The spelling of 670591153 in words is "six hundred seventy million, five hundred ninety-one thousand, one hundred fifty-three".