63397 has 2 divisors, whose sum is σ = 63398. Its totient is φ = 63396.

The previous prime is 63391. The next prime is 63409. The reversal of 63397 is 79336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51076 + 12321 = 226^2 + 111^2 .

It is a cyclic number.

It is not a de Polignac number, because 63397 - 2³ = 63389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63391) 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, 31698 + 31699.

It is an arithmetic number, because the mean of its divisors is an integer number (31699).

2⁶³³⁹⁷ is an apocalyptic number.

It is an amenable number.

63397 is a deficient number, since it is larger than the sum of its proper divisors (1).

63397 is an equidigital number, since it uses as much as digits as its factorization.

63397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 28.

The square root of 63397 is about 251.7876089088. The cubic root of 63397 is about 39.8739783807.

Subtracting from 63397 its product of digits (3402), we obtain a palindrome (59995).

It can be divided in two parts, 6 and 3397, that added together give a triangular number (3403 = T₈₂).

The spelling of 63397 in words is "sixty-three thousand, three hundred ninety-seven".