63144997 has 2 divisors, whose sum is σ = 63144998. Its totient is φ = 63144996.

The previous prime is 63144973. The next prime is 63145003. The reversal of 63144997 is 79944136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 7403841 = 7466^2 + 2721^2 .

It is a cyclic number.

It is not a de Polignac number, because 63144997 - 2²³ = 54756389 is a prime.

It is a super-2 number, since 2×63144997² = 7974581292260018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63144947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31572498 + 31572499.

It is an arithmetic number, because the mean of its divisors is an integer number (31572499).

Almost surely, 2^63144997 is an apocalyptic number.

It is an amenable number.

63144997 is a deficient number, since it is larger than the sum of its proper divisors (1).

63144997 is an equidigital number, since it uses as much as digits as its factorization.

63144997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 63144997 is about 7946.3826361433. The cubic root of 63144997 is about 398.2107521640.

It can be divided in two parts, 6314 and 4997, that added together give a palindrome (11311).

The spelling of 63144997 in words is "sixty-three million, one hundred forty-four thousand, nine hundred ninety-seven".