5245638953 has 2 divisors, whose sum is σ = 5245638954. Its totient is φ = 5245638952.

The previous prime is 5245638943. The next prime is 5245638977. The reversal of 5245638953 is 3598365425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3796161769 + 1449477184 = 61613^2 + 38072^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245638953 - 2⁶ = 5245638889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5245638943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622819476 + 2622819477.

It is an arithmetic number, because the mean of its divisors is an integer number (2622819477).

Almost surely, 2^5245638953 is an apocalyptic number.

It is an amenable number.

5245638953 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245638953 is an equidigital number, since it uses as much as digits as its factorization.

5245638953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 50.

The square root of 5245638953 is about 72426.7833953711. The cubic root of 5245638953 is about 1737.5319473656.

The spelling of 5245638953 in words is "five billion, two hundred forty-five million, six hundred thirty-eight thousand, nine hundred fifty-three".