63251933 has 2 divisors, whose sum is σ = 63251934. Its totient is φ = 63251932.

The previous prime is 63251899. The next prime is 63251959. The reversal of 63251933 is 33915236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60248644 + 3003289 = 7762^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 63251933 - 2¹⁰ = 63250909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63251933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63251963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31625966 + 31625967.

It is an arithmetic number, because the mean of its divisors is an integer number (31625967).

Almost surely, 2^63251933 is an apocalyptic number.

It is an amenable number.

63251933 is a deficient number, since it is larger than the sum of its proper divisors (1).

63251933 is an equidigital number, since it uses as much as digits as its factorization.

63251933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 63251933 is about 7953.1083860337. The cubic root of 63251933 is about 398.4354152489.

The spelling of 63251933 in words is "sixty-three million, two hundred fifty-one thousand, nine hundred thirty-three".