52805250497 has 2 divisors, whose sum is σ = 52805250498. Its totient is φ = 52805250496.

The previous prime is 52805250467. The next prime is 52805250517. The reversal of 52805250497 is 79405250825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34463694736 + 18341555761 = 185644^2 + 135431^2 .

It is a cyclic number.

It is not a de Polignac number, because 52805250497 - 2²² = 52801056193 is a prime.

It is not a weakly prime, because it can be changed into another prime (52805250437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402625248 + 26402625249.

It is an arithmetic number, because the mean of its divisors is an integer number (26402625249).

Almost surely, 2^52805250497 is an apocalyptic number.

It is an amenable number.

52805250497 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805250497 is an equidigital number, since it uses as much as digits as its factorization.

52805250497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 52805250497 in words is "fifty-two billion, eight hundred five million, two hundred fifty thousand, four hundred ninety-seven".