52232139997 has 2 divisors, whose sum is σ = 52232139998. Its totient is φ = 52232139996.

The previous prime is 52232139941. The next prime is 52232140049. The reversal of 52232139997 is 79993123225.

52232139997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (52232140049) can be obtained adding 52232139997 to its sum of digits (52).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50113747321 + 2118392676 = 223861^2 + 46026^2 .

It is a cyclic number.

It is not a de Polignac number, because 52232139997 - 2²⁷ = 52097922269 is a prime.

It is a super-3 number, since 3×52232139997³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52232139907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26116069998 + 26116069999.

It is an arithmetic number, because the mean of its divisors is an integer number (26116069999).

Almost surely, 2^52232139997 is an apocalyptic number.

It is an amenable number.

52232139997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52232139997 is an equidigital number, since it uses as much as digits as its factorization.

52232139997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 52.

The spelling of 52232139997 in words is "fifty-two billion, two hundred thirty-two million, one hundred thirty-nine thousand, nine hundred ninety-seven".