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25338629 is a prime number
BaseRepresentation
bin110000010101…
…0001100000101
31202200100001202
41200222030011
522441314004
62303032245
7425242361
oct140521405
952610052
1025338629
1113337318
12859b685
135332394
1435182a1
152357b1e
hex182a305

25338629 has 2 divisors, whose sum is σ = 25338630. Its totient is φ = 25338628.

The previous prime is 25338623. The next prime is 25338637. The reversal of 25338629 is 92683352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 10144225 = 3898^2 + 3185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25338629 is a prime.

It is a super-2 number, since 2×253386292 = 1284092239199282, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25338592 and 25338601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25338623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12669314 + 12669315.

It is an arithmetic number, because the mean of its divisors is an integer number (12669315).

Almost surely, 225338629 is an apocalyptic number.

It is an amenable number.

25338629 is a deficient number, since it is larger than the sum of its proper divisors (1).

25338629 is an equidigital number, since it uses as much as digits as its factorization.

25338629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 25338629 is about 5033.7490004965. The cubic root of 25338629 is about 293.7160670627.

The spelling of 25338629 in words is "twenty-five million, three hundred thirty-eight thousand, six hundred twenty-nine".