Search a number
-
+
25183901 is a prime number
BaseRepresentation
bin110000000010…
…0011010011101
31202101110211002
41200010122131
522421341101
62255440045
7424026311
oct140043235
952343732
1025183901
1113241046
128526025
1352a9b22
1434b7b41
152326d6b
hex180469d

25183901 has 2 divisors, whose sum is σ = 25183902. Its totient is φ = 25183900.

The previous prime is 25183897. The next prime is 25183903. The reversal of 25183901 is 10938152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23755876 + 1428025 = 4874^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 25183901 - 22 = 25183897 is a prime.

Together with 25183903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25183903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12591950 + 12591951.

It is an arithmetic number, because the mean of its divisors is an integer number (12591951).

Almost surely, 225183901 is an apocalyptic number.

It is an amenable number.

25183901 is a deficient number, since it is larger than the sum of its proper divisors (1).

25183901 is an equidigital number, since it uses as much as digits as its factorization.

25183901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 25183901 is about 5018.3564042423. The cubic root of 25183901 is about 293.1169959914.

The spelling of 25183901 in words is "twenty-five million, one hundred eighty-three thousand, nine hundred one".