1063603631 has 2 divisors, whose sum is σ = 1063603632. Its totient is φ = 1063603630.

The previous prime is 1063603601. The next prime is 1063603637. The reversal of 1063603631 is 1363063601.

It is a strong prime.

It is an emirp because it is prime and its reverse (1363063601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1063603631 - 2¹⁴ = 1063587247 is a prime.

It is a super-2 number, since 2×1063603631² = 2262505367752768322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1063603594 and 1063603603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063603637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531801815 + 531801816.

It is an arithmetic number, because the mean of its divisors is an integer number (531801816).

Almost surely, 2^1063603631 is an apocalyptic number.

1063603631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063603631 is an equidigital number, since it uses as much as digits as its factorization.

1063603631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1063603631 is about 32612.9365589792. The cubic root of 1063603631 is about 1020.7669584069.

The spelling of 1063603631 in words is "one billion, sixty-three million, six hundred three thousand, six hundred thirty-one".