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25085441 is a prime number
BaseRepresentation
bin101111110110…
…0011000000001
31202012110202102
41133230120001
522410213231
62253400145
7423136253
oct137543001
952173672
1025085441
1113184077
128499055
135274074
14348dcd3
152307acb
hex17ec601

25085441 has 2 divisors, whose sum is σ = 25085442. Its totient is φ = 25085440.

The previous prime is 25085419. The next prime is 25085447. The reversal of 25085441 is 14458052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 5193841 = 4460^2 + 2279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25085441 is a prime.

It is not a weakly prime, because it can be changed into another prime (25085447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12542720 + 12542721.

It is an arithmetic number, because the mean of its divisors is an integer number (12542721).

Almost surely, 225085441 is an apocalyptic number.

It is an amenable number.

25085441 is a deficient number, since it is larger than the sum of its proper divisors (1).

25085441 is an equidigital number, since it uses as much as digits as its factorization.

25085441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 25085441 is about 5008.5368122836. The cubic root of 25085441 is about 292.7345030585.

The spelling of 25085441 in words is "twenty-five million, eighty-five thousand, four hundred forty-one".