[go: up one dir, main page]

Search a number
-
+
25034881 is a prime number
BaseRepresentation
bin101111110000…
…0000010000001
31202002220101211
41133200002001
522402104011
62252330121
7422535664
oct137400201
952086354
1025034881
111314a093
128473941
135257051
1434796db
1522e7b21
hex17e0081

25034881 has 2 divisors, whose sum is σ = 25034882. Its totient is φ = 25034880.

The previous prime is 25034869. The next prime is 25034909. The reversal of 25034881 is 18843052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18352656 + 6682225 = 4284^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 25034881 - 29 = 25034369 is a prime.

It is a super-2 number, since 2×250348812 = 1253490533368322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25034851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517440 + 12517441.

It is an arithmetic number, because the mean of its divisors is an integer number (12517441).

Almost surely, 225034881 is an apocalyptic number.

It is an amenable number.

25034881 is a deficient number, since it is larger than the sum of its proper divisors (1).

25034881 is an equidigital number, since it uses as much as digits as its factorization.

25034881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 25034881 is about 5003.4868841639. The cubic root of 25034881 is about 292.5377008409.

The spelling of 25034881 in words is "twenty-five million, thirty-four thousand, eight hundred eighty-one".