5103662381 has 2 divisors, whose sum is σ = 5103662382. Its totient is φ = 5103662380.

The previous prime is 5103662357. The next prime is 5103662387. The reversal of 5103662381 is 1832663015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4817748100 + 285914281 = 69410^2 + 16909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5103662381 is a prime.

It is a super-2 number, since 2×5103662381² = 52094739398469178322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5103662387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551831190 + 2551831191.

It is an arithmetic number, because the mean of its divisors is an integer number (2551831191).

Almost surely, 2^5103662381 is an apocalyptic number.

It is an amenable number.

5103662381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5103662381 is an equidigital number, since it uses as much as digits as its factorization.

5103662381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 5103662381 is about 71439.9214795201. The cubic root of 5103662381 is about 1721.7125521171.

The spelling of 5103662381 in words is "five billion, one hundred three million, six hundred sixty-two thousand, three hundred eighty-one".