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10525121 is a prime number
BaseRepresentation
bin101000001001…
…100111000001
3201210201202022
4220021213001
510143300441
61013331225
7155314325
oct50114701
921721668
1010525121
115a39752
123636b15
1322468a9
14157d985
15dcd84b
hexa099c1

10525121 has 2 divisors, whose sum is σ = 10525122. Its totient is φ = 10525120.

The previous prime is 10525117. The next prime is 10525181. The reversal of 10525121 is 12152501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 2768896 = 2785^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 10525121 - 22 = 10525117 is a prime.

It is a super-2 number, since 2×105251212 = 221556344129282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10525121.

It is not a weakly prime, because it can be changed into another prime (10525181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262560 + 5262561.

It is an arithmetic number, because the mean of its divisors is an integer number (5262561).

Almost surely, 210525121 is an apocalyptic number.

It is an amenable number.

10525121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10525121 is an equidigital number, since it uses as much as digits as its factorization.

10525121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 10525121 is about 3244.2442879660. The cubic root of 10525121 is about 219.1504494997.

Adding to 10525121 its reverse (12152501), we get a palindrome (22677622).

The spelling of 10525121 in words is "ten million, five hundred twenty-five thousand, one hundred twenty-one".