670454513 has 2 divisors, whose sum is σ = 670454514. Its totient is φ = 670454512.

The previous prime is 670454507. The next prime is 670454597. The reversal of 670454513 is 315454076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389154529 + 281299984 = 19727^2 + 16772^2 .

It is a cyclic number.

It is not a de Polignac number, because 670454513 - 2²⁶ = 603345649 is a prime.

It is not a weakly prime, because it can be changed into another prime (670454413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335227256 + 335227257.

It is an arithmetic number, because the mean of its divisors is an integer number (335227257).

Almost surely, 2^670454513 is an apocalyptic number.

It is an amenable number.

670454513 is a deficient number, since it is larger than the sum of its proper divisors (1).

670454513 is an equidigital number, since it uses as much as digits as its factorization.

670454513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 670454513 is about 25893.1364071640. The cubic root of 670454513 is about 875.2318353850.

The spelling of 670454513 in words is "six hundred seventy million, four hundred fifty-four thousand, five hundred thirteen".