63551051 has 2 divisors, whose sum is σ = 63551052. Its totient is φ = 63551050.

The previous prime is 63551039. The next prime is 63551053. The reversal of 63551051 is 15015536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63551051 - 2¹⁰ = 63550027 is a prime.

Together with 63551053, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63551051.

It is not a weakly prime, because it can be changed into another prime (63551053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31775525 + 31775526.

It is an arithmetic number, because the mean of its divisors is an integer number (31775526).

Almost surely, 2^63551051 is an apocalyptic number.

63551051 is a deficient number, since it is larger than the sum of its proper divisors (1).

63551051 is an equidigital number, since it uses as much as digits as its factorization.

63551051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 63551051 is about 7971.8913063338. The cubic root of 63551051 is about 399.0624940063.

Adding to 63551051 its reverse (15015536), we get a palindrome (78566587).

The spelling of 63551051 in words is "sixty-three million, five hundred fifty-one thousand, fifty-one".