63183121 has 2 divisors, whose sum is σ = 63183122. Its totient is φ = 63183120.

The previous prime is 63183103. The next prime is 63183137. The reversal of 63183121 is 12138136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 12702096 = 7105^2 + 3564^2 .

It is a cyclic number.

It is not a de Polignac number, because 63183121 - 2⁵ = 63183089 is a prime.

It is not a weakly prime, because it can be changed into another prime (63183191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31591560 + 31591561.

It is an arithmetic number, because the mean of its divisors is an integer number (31591561).

Almost surely, 2^63183121 is an apocalyptic number.

It is an amenable number.

63183121 is a deficient number, since it is larger than the sum of its proper divisors (1).

63183121 is an equidigital number, since it uses as much as digits as its factorization.

63183121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 63183121 is about 7948.7811015275. The cubic root of 63183121 is about 398.2908763923.

It can be divided in two parts, 63 and 183121, that added together give a square (183184 = 428²).

The spelling of 63183121 in words is "sixty-three million, one hundred eighty-three thousand, one hundred twenty-one".