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25185053 is a prime number
BaseRepresentation
bin110000000010…
…0101100011101
31202101112101202
41200010230131
522421410203
62255445245
7424032545
oct140045435
952345352
1025185053
11132419a3
128526825
1352aa4ca
1434b8325
152327388
hex1804b1d

25185053 has 2 divisors, whose sum is σ = 25185054. Its totient is φ = 25185052.

The previous prime is 25185047. The next prime is 25185107. The reversal of 25185053 is 35058152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23990404 + 1194649 = 4898^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 25185053 - 212 = 25180957 is a prime.

It is a super-2 number, since 2×251850532 = 1268573789225618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25185353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12592526 + 12592527.

It is an arithmetic number, because the mean of its divisors is an integer number (12592527).

Almost surely, 225185053 is an apocalyptic number.

It is an amenable number.

25185053 is a deficient number, since it is larger than the sum of its proper divisors (1).

25185053 is an equidigital number, since it uses as much as digits as its factorization.

25185053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 25185053 is about 5018.4711815452. The cubic root of 25185053 is about 293.1214653232.

The spelling of 25185053 in words is "twenty-five million, one hundred eighty-five thousand, fifty-three".