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10825001 = 11984091
BaseRepresentation
bin101001010010…
…110100101001
3202100222002222
4221102310221
510232400001
61024003425
7161003525
oct51226451
922328088
1010825001
116123a90
123760575
132320235
14161ad85
15e3c61b
hexa52d29

10825001 has 4 divisors (see below), whose sum is σ = 11809104. Its totient is φ = 9840900.

The previous prime is 10824929. The next prime is 10825013. The reversal of 10825001 is 10052801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10825001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10825021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492035 + ... + 492056.

It is an arithmetic number, because the mean of its divisors is an integer number (2952276).

Almost surely, 210825001 is an apocalyptic number.

10825001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10825001 is a deficient number, since it is larger than the sum of its proper divisors (984103).

10825001 is an equidigital number, since it uses as much as digits as its factorization.

10825001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984102.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10825001 is about 3290.1369272418. The cubic root of 10825001 is about 221.2123223104.

Adding to 10825001 its reverse (10052801), we get a palindrome (20877802).

The spelling of 10825001 in words is "ten million, eight hundred twenty-five thousand, one".

Divisors: 1 11 984091 10825001