Search a number
-
+
10521673 is a prime number
BaseRepresentation
bin101000001000…
…110001001001
3201210120000121
4220020301021
510143143143
61013303241
7155301301
oct50106111
921716017
1010521673
115a370a8
123634b21
132245156
14157c601
15dcc7ed
hexa08c49

10521673 has 2 divisors, whose sum is σ = 10521674. Its totient is φ = 10521672.

The previous prime is 10521671. The next prime is 10521683. The reversal of 10521673 is 37612501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10517049 + 4624 = 3243^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 10521673 - 21 = 10521671 is a prime.

It is a super-2 number, since 2×105216732 = 221411205437858, which contains 22 as substring.

Together with 10521671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10521671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260836 + 5260837.

It is an arithmetic number, because the mean of its divisors is an integer number (5260837).

Almost surely, 210521673 is an apocalyptic number.

It is an amenable number.

10521673 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521673 is an equidigital number, since it uses as much as digits as its factorization.

10521673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 10521673 is about 3243.7128417910. The cubic root of 10521673 is about 219.1265158626.

The spelling of 10521673 in words is "ten million, five hundred twenty-one thousand, six hundred seventy-three".