252405793 has 2 divisors, whose sum is σ = 252405794. Its totient is φ = 252405792.

The previous prime is 252405779. The next prime is 252405827. The reversal of 252405793 is 397504252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154455184 + 97950609 = 12428^2 + 9897^2 .

It is a cyclic number.

It is not a de Polignac number, because 252405793 - 2¹³ = 252397601 is a prime.

It is not a weakly prime, because it can be changed into another prime (252405733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126202896 + 126202897.

It is an arithmetic number, because the mean of its divisors is an integer number (126202897).

Almost surely, 2^252405793 is an apocalyptic number.

It is an amenable number.

252405793 is a deficient number, since it is larger than the sum of its proper divisors (1).

252405793 is an equidigital number, since it uses as much as digits as its factorization.

252405793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 252405793 is about 15887.2840032524. The cubic root of 252405793 is about 631.9748169010.

The spelling of 252405793 in words is "two hundred fifty-two million, four hundred five thousand, seven hundred ninety-three".