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25122329 is a prime number
BaseRepresentation
bin101111111010…
…1011000011001
31202021100100122
41133311120121
522412403304
62254243025
7423351641
oct137653031
952240318
1025122329
11131a9861
1284b6475
135287aab
14349d521
1523139be
hex17f5619

25122329 has 2 divisors, whose sum is σ = 25122330. Its totient is φ = 25122328.

The previous prime is 25122283. The next prime is 25122337. The reversal of 25122329 is 92322152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 10067929 = 3880^2 + 3173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25122329 is a prime.

It is a super-2 number, since 2×251223292 = 1262262828768482, 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 = 25122298 and 25122307.

It is not a weakly prime, because it can be changed into another prime (25122029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561164 + 12561165.

It is an arithmetic number, because the mean of its divisors is an integer number (12561165).

Almost surely, 225122329 is an apocalyptic number.

It is an amenable number.

25122329 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122329 is an equidigital number, since it uses as much as digits as its factorization.

25122329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 25122329 is about 5012.2179721157. The cubic root of 25122329 is about 292.8779209302.

The spelling of 25122329 in words is "twenty-five million, one hundred twenty-two thousand, three hundred twenty-nine".