63106553 has 2 divisors, whose sum is σ = 63106554. Its totient is φ = 63106552.

The previous prime is 63106493. The next prime is 63106597. The reversal of 63106553 is 35560136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43983424 + 19123129 = 6632^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 63106553 - 2⁶ = 63106489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63106753) 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, 31553276 + 31553277.

It is an arithmetic number, because the mean of its divisors is an integer number (31553277).

Almost surely, 2^63106553 is an apocalyptic number.

It is an amenable number.

63106553 is a deficient number, since it is larger than the sum of its proper divisors (1).

63106553 is an equidigital number, since it uses as much as digits as its factorization.

63106553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 63106553 is about 7943.9633055547. The cubic root of 63106553 is about 398.1299227359.

Adding to 63106553 its reverse (35560136), we get a palindrome (98666689).

The spelling of 63106553 in words is "sixty-three million, one hundred six thousand, five hundred fifty-three".