10025009 has 4 divisors (see below), whose sum is σ = 10174704. Its totient is φ = 9875316.

The previous prime is 10024979. The next prime is 10025011. The reversal of 10025009 is 90052001.

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 not a de Polignac number, because 10025009 - 2⁸ = 10024753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10022009) 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, 74747 + ... + 74880.

It is an arithmetic number, because the mean of its divisors is an integer number (2543676).

Almost surely, 2^10025009 is an apocalyptic number.

It is an amenable number.

10025009 is a deficient number, since it is larger than the sum of its proper divisors (149695).

10025009 is an equidigital number, since it uses as much as digits as its factorization.

10025009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149694.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 10025009 is about 3166.2294610467. The cubic root of 10025009 is about 215.6229203468.

The spelling of 10025009 in words is "ten million, twenty-five thousand, nine".