5001501521 has 2 divisors, whose sum is σ = 5001501522. Its totient is φ = 5001501520.

The previous prime is 5001501469. The next prime is 5001501523. The reversal of 5001501521 is 1251051005.

It is a happy number.

5001501521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4905461521 + 96040000 = 70039^2 + 9800^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001501521 - 2⁶ = 5001501457 is a prime.

Together with 5001501523, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5001501493 and 5001501502.

It is not a weakly prime, because it can be changed into another prime (5001501523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500750760 + 2500750761.

It is an arithmetic number, because the mean of its divisors is an integer number (2500750761).

Almost surely, 2^5001501521 is an apocalyptic number.

It is an amenable number.

5001501521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001501521 is an equidigital number, since it uses as much as digits as its factorization.

5001501521 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 20.

The square root of 5001501521 is about 70721.2946784771. The cubic root of 5001501521 is about 1710.1471005313.

Adding to 5001501521 its reverse (1251051005), we get a palindrome (6252552526).

The spelling of 5001501521 in words is "five billion, one million, five hundred one thousand, five hundred twenty-one".