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25141801 is a prime number
BaseRepresentation
bin101111111101…
…0001000101001
31202022100001211
41133322020221
522414014201
62254513121
7423462466
oct137721051
952270054
1025141801
1113212453
1285057a1
135293909
1434a666d
152319651
hex17fa229

25141801 has 2 divisors, whose sum is σ = 25141802. Its totient is φ = 25141800.

The previous prime is 25141789. The next prime is 25141867. The reversal of 25141801 is 10814152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 3426201 = 4660^2 + 1851^2 .

It is a cyclic number.

It is not a de Polignac number, because 25141801 - 27 = 25141673 is a prime.

It is a super-2 number, since 2×251418012 = 1264220315047202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25141871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570900 + 12570901.

It is an arithmetic number, because the mean of its divisors is an integer number (12570901).

Almost surely, 225141801 is an apocalyptic number.

It is an amenable number.

25141801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25141801 is an equidigital number, since it uses as much as digits as its factorization.

25141801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 25141801 is about 5014.1600493004. The cubic root of 25141801 is about 292.9535700482.

Adding to 25141801 its reverse (10814152), we get a palindrome (35955953).

The spelling of 25141801 in words is "twenty-five million, one hundred forty-one thousand, eight hundred one".