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10520401 is a prime number
BaseRepresentation
bin101000001000…
…011101010001
3201210111021111
4220020131101
510143123101
61013253321
7155264503
oct50103521
921714244
1010520401
115a36151
123634241
1322446b8
14157bd73
15dcc251
hexa08751

10520401 has 2 divisors, whose sum is σ = 10520402. Its totient is φ = 10520400.

The previous prime is 10520383. The next prime is 10520429. The reversal of 10520401 is 10402501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 22801 = 3240^2 + 151^2 .

It is an emirp because it is prime and its reverse (10402501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10520401 - 211 = 10518353 is a prime.

It is a super-2 number, since 2×105204012 = 221357674401602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10520431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260200 + 5260201.

It is an arithmetic number, because the mean of its divisors is an integer number (5260201).

Almost surely, 210520401 is an apocalyptic number.

It is an amenable number.

10520401 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520401 is an equidigital number, since it uses as much as digits as its factorization.

10520401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10520401 is about 3243.5167642545. The cubic root of 10520401 is about 219.1176851959.

Adding to 10520401 its reverse (10402501), we get a palindrome (20922902).

The spelling of 10520401 in words is "ten million, five hundred twenty thousand, four hundred one".