963903601 has 2 divisors, whose sum is σ = 963903602. Its totient is φ = 963903600.

The previous prime is 963903599. The next prime is 963903631. The reversal of 963903601 is 106309369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585640000 + 378263601 = 24200^2 + 19449^2 .

It is a cyclic number.

It is not a de Polignac number, because 963903601 - 2¹ = 963903599 is a prime.

It is a super-2 number, since 2×963903601² = 1858220304041534402, which contains 22 as substring.

Together with 963903599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (963903631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481951800 + 481951801.

It is an arithmetic number, because the mean of its divisors is an integer number (481951801).

Almost surely, 2^963903601 is an apocalyptic number.

It is an amenable number.

963903601 is a deficient number, since it is larger than the sum of its proper divisors (1).

963903601 is an equidigital number, since it uses as much as digits as its factorization.

963903601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 963903601 is about 31046.7969523428. The cubic root of 963903601 is about 987.8201198116.

The spelling of 963903601 in words is "nine hundred sixty-three million, nine hundred three thousand, six hundred one".