63542263 has 2 divisors, whose sum is σ = 63542264. Its totient is φ = 63542262.

The previous prime is 63542257. The next prime is 63542267. The reversal of 63542263 is 36224536.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63542263 - 2¹³ = 63534071 is a prime.

It is a super-2 number, since 2×63542263² = 8075238374322338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63542267) 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, 31771131 + 31771132.

It is an arithmetic number, because the mean of its divisors is an integer number (31771132).

Almost surely, 2^63542263 is an apocalyptic number.

63542263 is a deficient number, since it is larger than the sum of its proper divisors (1).

63542263 is an equidigital number, since it uses as much as digits as its factorization.

63542263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 63542263 is about 7971.3401006355. The cubic root of 63542263 is about 399.0440987015.

Adding to 63542263 its reverse (36224536), we get a palindrome (99766799).

The spelling of 63542263 in words is "sixty-three million, five hundred forty-two thousand, two hundred sixty-three".