5203663961 has 2 divisors, whose sum is σ = 5203663962. Its totient is φ = 5203663960.

The previous prime is 5203663919. The next prime is 5203663973. The reversal of 5203663961 is 1693663025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3784710400 + 1418953561 = 61520^2 + 37669^2 .

It is a cyclic number.

It is not a de Polignac number, because 5203663961 - 2¹⁴ = 5203647577 is a prime.

It is not a weakly prime, because it can be changed into another prime (5200663961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601831980 + 2601831981.

It is an arithmetic number, because the mean of its divisors is an integer number (2601831981).

Almost surely, 2^5203663961 is an apocalyptic number.

It is an amenable number.

5203663961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5203663961 is an equidigital number, since it uses as much as digits as its factorization.

5203663961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 5203663961 is about 72136.4260342859. The cubic root of 5203663961 is about 1732.8850210852.

The spelling of 5203663961 in words is "five billion, two hundred three million, six hundred sixty-three thousand, nine hundred sixty-one".