Search a number
-
+
25745141 is a prime number
BaseRepresentation
bin110001000110…
…1011011110101
31210102222200202
41202031123311
523042321031
62315450245
7431554502
oct142153365
953388622
1025745141
1113594784
128756985
135445416
1435c24a9
1523d82cb
hex188d6f5

25745141 has 2 divisors, whose sum is σ = 25745142. Its totient is φ = 25745140.

The previous prime is 25745117. The next prime is 25745147. The reversal of 25745141 is 14154752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24850225 + 894916 = 4985^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 25745141 - 218 = 25482997 is a prime.

It is a Chen prime.

It is equal to p1609535 and since 25745141 and 1609535 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25745147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12872570 + 12872571.

It is an arithmetic number, because the mean of its divisors is an integer number (12872571).

Almost surely, 225745141 is an apocalyptic number.

It is an amenable number.

25745141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25745141 is an equidigital number, since it uses as much as digits as its factorization.

25745141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 29.

The square root of 25745141 is about 5073.9669884618. The cubic root of 25745141 is about 295.2784539252.

Adding to 25745141 its reverse (14154752), we get a palindrome (39899893).

The spelling of 25745141 in words is "twenty-five million, seven hundred forty-five thousand, one hundred forty-one".