Search a number
-
+
25430413 is a prime number
BaseRepresentation
bin110000100000…
…0100110001101
31202211222222011
41201000212031
523002233123
62305021221
7426104101
oct141004615
952758864
1025430413
111339a278
128624811
1353650a8
14353d901
152374e0d
hex184098d

25430413 has 2 divisors, whose sum is σ = 25430414. Its totient is φ = 25430412.

The previous prime is 25430401. The next prime is 25430423. The reversal of 25430413 is 31403452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 8649 = 5042^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 25430413 - 217 = 25299341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25430423) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12715206 + 12715207.

It is an arithmetic number, because the mean of its divisors is an integer number (12715207).

Almost surely, 225430413 is an apocalyptic number.

It is an amenable number.

25430413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25430413 is an equidigital number, since it uses as much as digits as its factorization.

25430413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25430413 is about 5042.8576224201. The cubic root of 25430413 is about 294.0702818385.

Adding to 25430413 its reverse (31403452), we get a palindrome (56833865).

The spelling of 25430413 in words is "twenty-five million, four hundred thirty thousand, four hundred thirteen".