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10540525 = 52421621
BaseRepresentation
bin101000001101…
…010111101101
3201211111212211
4220031113231
510144244100
61013530421
7155410252
oct50152755
921744784
1010540525
115a4a286
123643a11
1322508c8
141585429
15dd31ba
hexa0d5ed

10540525 has 6 divisors (see below), whose sum is σ = 13070282. Its totient is φ = 8432400.

The previous prime is 10540513. The next prime is 10540529. The reversal of 10540525 is 52504501.

It can be written as a sum of positive squares in 3 ways, for example, as 217156 + 10323369 = 466^2 + 3213^2 .

It is not a de Polignac number, because 10540525 - 211 = 10538477 is a prime.

It is a super-2 number, since 2×105405252 = 222205334551250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10540496 and 10540505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10540529) 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 in 5 ways as a sum of consecutive naturals, for example, 210786 + ... + 210835.

Almost surely, 210540525 is an apocalyptic number.

It is an amenable number.

10540525 is a deficient number, since it is larger than the sum of its proper divisors (2529757).

10540525 is an equidigital number, since it uses as much as digits as its factorization.

10540525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421631 (or 421626 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 10540525 is about 3246.6174705376. The cubic root of 10540525 is about 219.2573096484.

The spelling of 10540525 in words is "ten million, five hundred forty thousand, five hundred twenty-five".

Divisors: 1 5 25 421621 2108105 10540525