5001055021 has 2 divisors, whose sum is σ = 5001055022. Its totient is φ = 5001055020.

The previous prime is 5001055001. The next prime is 5001055057. The reversal of 5001055021 is 1205501005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5000469796 + 585225 = 70714^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001055021 - 2¹⁵ = 5001022253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5001055021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5001055001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500527510 + 2500527511.

It is an arithmetic number, because the mean of its divisors is an integer number (2500527511).

Almost surely, 2^5001055021 is an apocalyptic number.

It is an amenable number.

5001055021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001055021 is an equidigital number, since it uses as much as digits as its factorization.

5001055021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5001055021 is about 70718.1378502008. The cubic root of 5001055021 is about 1710.0962089207.

Adding to 5001055021 its reverse (1205501005), we get a palindrome (6206556026).

The spelling of 5001055021 in words is "five billion, one million, fifty-five thousand, twenty-one".