63400041 has 6 divisors (see below), whose sum is σ = 91577850. Its totient is φ = 42266688.

The previous prime is 63400033. The next prime is 63400069. The reversal of 63400041 is 14000436.

It can be written as a sum of positive squares in only one way, i.e., 58201641 + 5198400 = 7629^2 + 2280^2 .

It is not a de Polignac number, because 63400041 - 2³ = 63400033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63399987 and 63400023.

It is not an unprimeable number, because it can be changed into a prime (63400081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3522216 + ... + 3522233.

It is an arithmetic number, because the mean of its divisors is an integer number (15262975).

Almost surely, 2^63400041 is an apocalyptic number.

It is an amenable number.

63400041 is a deficient number, since it is larger than the sum of its proper divisors (28177809).

63400041 is a wasteful number, since it uses less digits than its factorization.

63400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044455 (or 7044452 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 63400041 is about 7962.4142695542. The cubic root of 63400041 is about 398.7461592316.

Adding to 63400041 its reverse (14000436), we get a palindrome (77400477).

The spelling of 63400041 in words is "sixty-three million, four hundred thousand, forty-one".