252405392147 has 2 divisors, whose sum is σ = 252405392148. Its totient is φ = 252405392146.

The previous prime is 252405392111. The next prime is 252405392159. The reversal of 252405392147 is 741293504252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252405392147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252405392098 and 252405392107.

It is not a weakly prime, because it can be changed into another prime (252405392347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126202696073 + 126202696074.

It is an arithmetic number, because the mean of its divisors is an integer number (126202696074).

Almost surely, 2^252405392147 is an apocalyptic number.

252405392147 is a deficient number, since it is larger than the sum of its proper divisors (1).

252405392147 is an equidigital number, since it uses as much as digits as its factorization.

252405392147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

Adding to 252405392147 its reverse (741293504252), we get a palindrome (993698896399).

The spelling of 252405392147 in words is "two hundred fifty-two billion, four hundred five million, three hundred ninety-two thousand, one hundred forty-seven".