672286513 has 2 divisors, whose sum is σ = 672286514. Its totient is φ = 672286512.

The previous prime is 672286507. The next prime is 672286541. The reversal of 672286513 is 315682276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594969664 + 77316849 = 24392^2 + 8793^2 .

It is a cyclic number.

It is not a de Polignac number, because 672286513 - 2⁹ = 672286001 is a prime.

It is not a weakly prime, because it can be changed into another prime (672286583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336143256 + 336143257.

It is an arithmetic number, because the mean of its divisors is an integer number (336143257).

Almost surely, 2^672286513 is an apocalyptic number.

It is an amenable number.

672286513 is a deficient number, since it is larger than the sum of its proper divisors (1).

672286513 is an equidigital number, since it uses as much as digits as its factorization.

672286513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 672286513 is about 25928.4884441805. The cubic root of 672286513 is about 876.0282933426.

The spelling of 672286513 in words is "six hundred seventy-two million, two hundred eighty-six thousand, five hundred thirteen".