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25142311 is a prime number
BaseRepresentation
bin101111111101…
…0010000100111
31202022100202201
41133322100213
522414023221
62254515331
7423464125
oct137722047
952270681
1025142311
1113212877
128505b47
135293c0c
1434a6915
152319891
hex17fa427

25142311 has 2 divisors, whose sum is σ = 25142312. Its totient is φ = 25142310.

The previous prime is 25142297. The next prime is 25142329. The reversal of 25142311 is 11324152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25142311 - 215 = 25109543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25146311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12571155 + 12571156.

It is an arithmetic number, because the mean of its divisors is an integer number (12571156).

Almost surely, 225142311 is an apocalyptic number.

25142311 is a deficient number, since it is larger than the sum of its proper divisors (1).

25142311 is an equidigital number, since it uses as much as digits as its factorization.

25142311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 25142311 is about 5014.2109050179. The cubic root of 25142311 is about 292.9555508836.

Adding to 25142311 its reverse (11324152), we get a palindrome (36466463).

The spelling of 25142311 in words is "twenty-five million, one hundred forty-two thousand, three hundred eleven".