672235153 has 2 divisors, whose sum is σ = 672235154. Its totient is φ = 672235152.

The previous prime is 672235141. The next prime is 672235159. The reversal of 672235153 is 351532276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556629649 + 115605504 = 23593^2 + 10752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672235153 is a prime.

It is not a weakly prime, because it can be changed into another prime (672235159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336117576 + 336117577.

It is an arithmetic number, because the mean of its divisors is an integer number (336117577).

Almost surely, 2^672235153 is an apocalyptic number.

It is an amenable number.

672235153 is a deficient number, since it is larger than the sum of its proper divisors (1).

672235153 is an equidigital number, since it uses as much as digits as its factorization.

672235153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 672235153 is about 25927.4980088708. The cubic root of 672235153 is about 876.0059844222.

The spelling of 672235153 in words is "six hundred seventy-two million, two hundred thirty-five thousand, one hundred fifty-three".