67211253 has 24 divisors (see below), whose sum is σ = 98910240. Its totient is φ = 43973280.

The previous prime is 67211239. The next prime is 67211293. The reversal of 67211253 is 35211276.

It is a happy number.

It is not a de Polignac number, because 67211253 - 2¹⁰ = 67210229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67211233) 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 in 23 ways as a sum of consecutive naturals, for example, 128250 + ... + 128772.

It is an arithmetic number, because the mean of its divisors is an integer number (4121260).

Almost surely, 2^67211253 is an apocalyptic number.

It is an amenable number.

67211253 is a deficient number, since it is larger than the sum of its proper divisors (31698987).

67211253 is a wasteful number, since it uses less digits than its factorization.

67211253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 67211253 is about 8198.2469467564. The cubic root of 67211253 is about 406.5812349280.

The spelling of 67211253 in words is "sixty-seven million, two hundred eleven thousand, two hundred fifty-three".