Search a number
-
+
25132529 is a prime number
BaseRepresentation
bin101111111011…
…1110111110001
31202021212100102
41133313313301
522413220104
62254402145
7423423452
oct137676761
952255312
1025132529
1113206494
128500355
13528c626
1434a3129
152316a1e
hex17f7df1

25132529 has 2 divisors, whose sum is σ = 25132530. Its totient is φ = 25132528.

The previous prime is 25132517. The next prime is 25132553. The reversal of 25132529 is 92523152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19562929 + 5569600 = 4423^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 25132529 - 220 = 24083953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25131529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566264 + 12566265.

It is an arithmetic number, because the mean of its divisors is an integer number (12566265).

Almost surely, 225132529 is an apocalyptic number.

It is an amenable number.

25132529 is a deficient number, since it is larger than the sum of its proper divisors (1).

25132529 is an equidigital number, since it uses as much as digits as its factorization.

25132529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 25132529 is about 5013.2353824651. The cubic root of 25132529 is about 292.9175530119.

The spelling of 25132529 in words is "twenty-five million, one hundred thirty-two thousand, five hundred twenty-nine".