52021501331 has 2 divisors, whose sum is σ = 52021501332. Its totient is φ = 52021501330.

The previous prime is 52021501297. The next prime is 52021501369. The reversal of 52021501331 is 13310512025.

It is a happy number.

52021501331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52021501331 is a prime.

It is a super-2 number, since 2×52021501331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52021501297 and 52021501306.

It is not a weakly prime, because it can be changed into another prime (52021501381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010750665 + 26010750666.

It is an arithmetic number, because the mean of its divisors is an integer number (26010750666).

Almost surely, 2^52021501331 is an apocalyptic number.

52021501331 is a deficient number, since it is larger than the sum of its proper divisors (1).

52021501331 is an equidigital number, since it uses as much as digits as its factorization.

52021501331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 52021501331 in words is "fifty-two billion, twenty-one million, five hundred one thousand, three hundred thirty-one".