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25132532533 is a prime number
BaseRepresentation
bin10111011010000001…
…000000001100110101
32101212112021221021021
4113122001000030311
5402432412020113
615313513221141
71546544000413
oct273201001465
971775257237
1025132532533
11a727728749
124a54a017b1
1324a6b2a934
141305c062b3
159c165148d
hex5da040335

25132532533 has 2 divisors, whose sum is σ = 25132532534. Its totient is φ = 25132532532.

The previous prime is 25132532527. The next prime is 25132532597. The reversal of 25132532533 is 33523523152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20329626724 + 4802905809 = 142582^2 + 69303^2 .

It is a cyclic number.

It is not a de Polignac number, because 25132532533 - 225 = 25098978101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25132512533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566266266 + 12566266267.

It is an arithmetic number, because the mean of its divisors is an integer number (12566266267).

Almost surely, 225132532533 is an apocalyptic number.

It is an amenable number.

25132532533 is a deficient number, since it is larger than the sum of its proper divisors (1).

25132532533 is an equidigital number, since it uses as much as digits as its factorization.

25132532533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 34.

The spelling of 25132532533 in words is "twenty-five billion, one hundred thirty-two million, five hundred thirty-two thousand, five hundred thirty-three".