52025742721 has 2 divisors, whose sum is σ = 52025742722. Its totient is φ = 52025742720.

The previous prime is 52025742701. The next prime is 52025742737. The reversal of 52025742721 is 12724752025.

52025742721 is digitally balanced in base 2, 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., 40606683121 + 11419059600 = 201511^2 + 106860^2 .

It is a cyclic number.

It is not a de Polignac number, because 52025742721 - 2⁵ = 52025742689 is a prime.

It is not a weakly prime, because it can be changed into another prime (52025742701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26012871360 + 26012871361.

It is an arithmetic number, because the mean of its divisors is an integer number (26012871361).

Almost surely, 2^52025742721 is an apocalyptic number.

It is an amenable number.

52025742721 is a deficient number, since it is larger than the sum of its proper divisors (1).

52025742721 is an equidigital number, since it uses as much as digits as its factorization.

52025742721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 52025742721 in words is "fifty-two billion, twenty-five million, seven hundred forty-two thousand, seven hundred twenty-one".