63412553 has 2 divisors, whose sum is σ = 63412554. Its totient is φ = 63412552.

The previous prime is 63412523. The next prime is 63412571. The reversal of 63412553 is 35521436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 30327049 = 5752^2 + 5507^2 .

It is a cyclic number.

It is not a de Polignac number, because 63412553 - 2²² = 59218249 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63412513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31706276 + 31706277.

It is an arithmetic number, because the mean of its divisors is an integer number (31706277).

Almost surely, 2^63412553 is an apocalyptic number.

It is an amenable number.

63412553 is a deficient number, since it is larger than the sum of its proper divisors (1).

63412553 is an equidigital number, since it uses as much as digits as its factorization.

63412553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 63412553 is about 7963.1999221419. The cubic root of 63412553 is about 398.7723883618.

Adding to 63412553 its reverse (35521436), we get a palindrome (98933989).

The spelling of 63412553 in words is "sixty-three million, four hundred twelve thousand, five hundred fifty-three".