Search a number
-
+
25470527 is a prime number
BaseRepresentation
bin110000100101…
…0011000111111
31202221000222212
41201022120333
523010024102
62305531035
7426332045
oct141123077
952830885
1025470527
1113417425
128643a7b
13537a424
143550395
152381c52
hex184a63f

25470527 has 2 divisors, whose sum is σ = 25470528. Its totient is φ = 25470526.

The previous prime is 25470521. The next prime is 25470547. The reversal of 25470527 is 72507452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25470527 - 210 = 25469503 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25470493 and 25470502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25470521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12735263 + 12735264.

It is an arithmetic number, because the mean of its divisors is an integer number (12735264).

Almost surely, 225470527 is an apocalyptic number.

25470527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25470527 is an equidigital number, since it uses as much as digits as its factorization.

25470527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 25470527 is about 5046.8333636053. The cubic root of 25470527 is about 294.2248230197.

Adding to 25470527 its reverse (72507452), we get a palindrome (97977979).

The spelling of 25470527 in words is "twenty-five million, four hundred seventy thousand, five hundred twenty-seven".