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25237271 is a prime number
BaseRepresentation
bin110000001000…
…1011100010111
31202111012000202
41200101130113
522430043041
62300531115
7424341023
oct140213427
952435022
1025237271
1113278154
128550a9b
1352c81c7
1434cd383
152337a9b
hex1811717

25237271 has 2 divisors, whose sum is σ = 25237272. Its totient is φ = 25237270.

The previous prime is 25237253. The next prime is 25237273. The reversal of 25237271 is 17273252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25237271 is a prime.

Together with 25237273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25237273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12618635 + 12618636.

It is an arithmetic number, because the mean of its divisors is an integer number (12618636).

Almost surely, 225237271 is an apocalyptic number.

25237271 is a deficient number, since it is larger than the sum of its proper divisors (1).

25237271 is an equidigital number, since it uses as much as digits as its factorization.

25237271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 25237271 is about 5023.6710680537. The cubic root of 25237271 is about 293.3239088168.

The spelling of 25237271 in words is "twenty-five million, two hundred thirty-seven thousand, two hundred seventy-one".