867125653 has 2 divisors, whose sum is σ = 867125654. Its totient is φ = 867125652.

The previous prime is 867125621. The next prime is 867125657. The reversal of 867125653 is 356521768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792872964 + 74252689 = 28158^2 + 8617^2 .

It is a cyclic number.

It is not a de Polignac number, because 867125653 - 2⁵ = 867125621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867125657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433562826 + 433562827.

It is an arithmetic number, because the mean of its divisors is an integer number (433562827).

Almost surely, 2^867125653 is an apocalyptic number.

It is an amenable number.

867125653 is a deficient number, since it is larger than the sum of its proper divisors (1).

867125653 is an equidigital number, since it uses as much as digits as its factorization.

867125653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 867125653 is about 29446.9973511732. The cubic root of 867125653 is about 953.5877824913.

The spelling of 867125653 in words is "eight hundred sixty-seven million, one hundred twenty-five thousand, six hundred fifty-three".