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25223713 is a prime number
BaseRepresentation
bin110000000111…
…0001000100001
31202110111102121
41200032020201
522424124323
62300344241
7424253344
oct140161041
952414377
1025223713
1113268a49
128545081
1352c1c98
1434c845b
152333a5d
hex180e221

25223713 has 2 divisors, whose sum is σ = 25223714. Its totient is φ = 25223712.

The previous prime is 25223711. The next prime is 25223741. The reversal of 25223713 is 31732252.

25223713 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25070049 + 153664 = 5007^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 25223713 - 21 = 25223711 is a prime.

Together with 25223711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25223711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611856 + 12611857.

It is an arithmetic number, because the mean of its divisors is an integer number (12611857).

Almost surely, 225223713 is an apocalyptic number.

It is an amenable number.

25223713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223713 is an equidigital number, since it uses as much as digits as its factorization.

25223713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 25223713 is about 5022.3214751746. The cubic root of 25223713 is about 293.2713727889.

Adding to 25223713 its reverse (31732252), we get a palindrome (56955965).

The spelling of 25223713 in words is "twenty-five million, two hundred twenty-three thousand, seven hundred thirteen".