867225553 has 2 divisors, whose sum is σ = 867225554. Its totient is φ = 867225552.

The previous prime is 867225521. The next prime is 867225613. The reversal of 867225553 is 355522768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 862420689 + 4804864 = 29367^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 867225553 - 2⁵ = 867225521 is a prime.

It is not a weakly prime, because it can be changed into another prime (867225503) 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, 433612776 + 433612777.

It is an arithmetic number, because the mean of its divisors is an integer number (433612777).

Almost surely, 2^867225553 is an apocalyptic number.

It is an amenable number.

867225553 is a deficient number, since it is larger than the sum of its proper divisors (1).

867225553 is an equidigital number, since it uses as much as digits as its factorization.

867225553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 43.

The square root of 867225553 is about 29448.6935703437. The cubic root of 867225553 is about 953.6244014677.

It can be divided in two parts, 8672 and 25553, that added together give a square (34225 = 185²).

The spelling of 867225553 in words is "eight hundred sixty-seven million, two hundred twenty-five thousand, five hundred fifty-three".