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25135933 is a prime number
BaseRepresentation
bin101111111100…
…0101100111101
31202022001000111
41133320230331
522413322213
62254430021
7423436414
oct137705475
952261014
1025135933
1113208aa9
128502311
135291044
1434a447b
152317a3d
hex17f8b3d

25135933 has 2 divisors, whose sum is σ = 25135934. Its totient is φ = 25135932.

The previous prime is 25135897. The next prime is 25135949. The reversal of 25135933 is 33953152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17081689 + 8054244 = 4133^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 25135933 - 213 = 25127741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25135895 and 25135904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25135973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12567966 + 12567967.

It is an arithmetic number, because the mean of its divisors is an integer number (12567967).

Almost surely, 225135933 is an apocalyptic number.

It is an amenable number.

25135933 is a deficient number, since it is larger than the sum of its proper divisors (1).

25135933 is an equidigital number, since it uses as much as digits as its factorization.

25135933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 31.

The square root of 25135933 is about 5013.5748722842. The cubic root of 25135933 is about 292.9307768613.

The spelling of 25135933 in words is "twenty-five million, one hundred thirty-five thousand, nine hundred thirty-three".