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25052641 is a prime number
BaseRepresentation
bin101111110010…
…0010111100001
31202010210202121
41133210113201
522403141031
62252544241
7422641525
oct137442741
952123677
1025052641
1113161469
128482081
135262163
143481d85
1522ed011
hex17e45e1

25052641 has 2 divisors, whose sum is σ = 25052642. Its totient is φ = 25052640.

The previous prime is 25052627. The next prime is 25052683. The reversal of 25052641 is 14625052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16810000 + 8242641 = 4100^2 + 2871^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052641 - 27 = 25052513 is a prime.

It is not a weakly prime, because it can be changed into another prime (25052341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526320 + 12526321.

It is an arithmetic number, because the mean of its divisors is an integer number (12526321).

Almost surely, 225052641 is an apocalyptic number.

It is an amenable number.

25052641 is a deficient number, since it is larger than the sum of its proper divisors (1).

25052641 is an equidigital number, since it uses as much as digits as its factorization.

25052641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25052641 is about 5005.2613318387. The cubic root of 25052641 is about 292.6068608991.

Adding to 25052641 its reverse (14625052), we get a palindrome (39677693).

The spelling of 25052641 in words is "twenty-five million, fifty-two thousand, six hundred forty-one".