63903011 has 2 divisors, whose sum is σ = 63903012. Its totient is φ = 63903010.

The previous prime is 63902999. The next prime is 63903041. The reversal of 63903011 is 11030936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63903011 - 2²² = 59708707 is a prime.

It is a super-2 number, since 2×63903011² = 8167189629732242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63903041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31951505 + 31951506.

It is an arithmetic number, because the mean of its divisors is an integer number (31951506).

Almost surely, 2^63903011 is an apocalyptic number.

63903011 is a deficient number, since it is larger than the sum of its proper divisors (1).

63903011 is an equidigital number, since it uses as much as digits as its factorization.

63903011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 63903011 is about 7993.9358891600. The cubic root of 63903011 is about 399.7978374263.

Adding to 63903011 its reverse (11030936), we get a palindrome (74933947).

The spelling of 63903011 in words is "sixty-three million, nine hundred three thousand, eleven".