Search a number
-
+
10112521 is a prime number
BaseRepresentation
bin100110100100…
…111000001001
3201000202202211
4212210320021
510042100041
61000425121
7151645366
oct46447011
921022684
1010112521
115787761
1234781a1
132130b53
1414b346d
15d4b481
hex9a4e09

10112521 has 2 divisors, whose sum is σ = 10112522. Its totient is φ = 10112520.

The previous prime is 10112513. The next prime is 10112533. The reversal of 10112521 is 12521101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 121 = 3180^2 + 11^2 .

It is an emirp because it is prime and its reverse (12521101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10112521 - 23 = 10112513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10112591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056260 + 5056261.

It is an arithmetic number, because the mean of its divisors is an integer number (5056261).

Almost surely, 210112521 is an apocalyptic number.

It is an amenable number.

10112521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112521 is an equidigital number, since it uses as much as digits as its factorization.

10112521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 10112521 is about 3180.0190251003. The cubic root of 10112521 is about 216.2485208225.

Adding to 10112521 its reverse (12521101), we get a palindrome (22633622).

It can be divided in two parts, 101 and 12521, that multiplied together give a palindrome (1264621).

The spelling of 10112521 in words is "ten million, one hundred twelve thousand, five hundred twenty-one".