5003561971 has 2 divisors, whose sum is σ = 5003561972. Its totient is φ = 5003561970.

The previous prime is 5003561963. The next prime is 5003562007. The reversal of 5003561971 is 1791653005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5003561971 - 2³ = 5003561963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5003561971.

It is not a weakly prime, because it can be changed into another prime (5003564971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501780985 + 2501780986.

It is an arithmetic number, because the mean of its divisors is an integer number (2501780986).

Almost surely, 2^5003561971 is an apocalyptic number.

5003561971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5003561971 is an equidigital number, since it uses as much as digits as its factorization.

5003561971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 5003561971 is about 70735.8605729795. The cubic root of 5003561971 is about 1710.3819092723.

The spelling of 5003561971 in words is "five billion, three million, five hundred sixty-one thousand, nine hundred seventy-one".