52802503021 has 2 divisors, whose sum is σ = 52802503022. Its totient is φ = 52802503020.

The previous prime is 52802503009. The next prime is 52802503027. The reversal of 52802503021 is 12030520825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51349826025 + 1452676996 = 226605^2 + 38114^2 .

It is a cyclic number.

It is not a de Polignac number, because 52802503021 - 2²³ = 52794114413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52802503027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26401251510 + 26401251511.

It is an arithmetic number, because the mean of its divisors is an integer number (26401251511).

Almost surely, 2^52802503021 is an apocalyptic number.

It is an amenable number.

52802503021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52802503021 is an equidigital number, since it uses as much as digits as its factorization.

52802503021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 52802503021 in words is "fifty-two billion, eight hundred two million, five hundred three thousand, twenty-one".