63399341 has 4 divisors (see below), whose sum is σ = 67128732. Its totient is φ = 59669952.

The previous prime is 63399331. The next prime is 63399359. The reversal of 63399341 is 14399336.

63399341 = 1349² + 1350² + ... + 1382².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51696100 + 11703241 = 7190^2 + 3421^2 .

It is a cyclic number.

It is not a de Polignac number, because 63399341 - 2¹⁸ = 63137197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63399295 and 63399304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63399331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864670 + ... + 1864703.

It is an arithmetic number, because the mean of its divisors is an integer number (16782183).

Almost surely, 2^63399341 is an apocalyptic number.

It is an amenable number.

63399341 is a deficient number, since it is larger than the sum of its proper divisors (3729391).

63399341 is a wasteful number, since it uses less digits than its factorization.

63399341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729390.

The product of its digits is 52488, while the sum is 38.

The square root of 63399341 is about 7962.3703129156. The cubic root of 63399341 is about 398.7446917071.

The spelling of 63399341 in words is "sixty-three million, three hundred ninety-nine thousand, three hundred forty-one".