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25272349 is a prime number
BaseRepresentation
bin110000001101…
…0000000011101
31202112222010221
41200122000131
522432203344
62301401341
7424545214
oct140320035
952488127
1025272349
11132a1543
128569251
13530b16b
1434dc07b
152343184
hex181a01d

25272349 has 2 divisors, whose sum is σ = 25272350. Its totient is φ = 25272348.

The previous prime is 25272341. The next prime is 25272371. The reversal of 25272349 is 94327252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 2059225 = 4818^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 25272349 - 23 = 25272341 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25272341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12636174 + 12636175.

It is an arithmetic number, because the mean of its divisors is an integer number (12636175).

Almost surely, 225272349 is an apocalyptic number.

It is an amenable number.

25272349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25272349 is an equidigital number, since it uses as much as digits as its factorization.

25272349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 25272349 is about 5027.1611273163. The cubic root of 25272349 is about 293.4597456467.

The spelling of 25272349 in words is "twenty-five million, two hundred seventy-two thousand, three hundred forty-nine".