553222961 has 2 divisors, whose sum is σ = 553222962. Its totient is φ = 553222960.

The previous prime is 553222951. The next prime is 553222973. The reversal of 553222961 is 169222355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505350400 + 47872561 = 22480^2 + 6919^2 .

It is a cyclic number.

It is not a de Polignac number, because 553222961 - 2⁶ = 553222897 is a prime.

It is not a weakly prime, because it can be changed into another prime (553222951) 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, 276611480 + 276611481.

It is an arithmetic number, because the mean of its divisors is an integer number (276611481).

Almost surely, 2^553222961 is an apocalyptic number.

It is an amenable number.

553222961 is a deficient number, since it is larger than the sum of its proper divisors (1).

553222961 is an equidigital number, since it uses as much as digits as its factorization.

553222961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 553222961 is about 23520.6921879438. The cubic root of 553222961 is about 820.9185428670.

The spelling of 553222961 in words is "five hundred fifty-three million, two hundred twenty-two thousand, nine hundred sixty-one".