10257087 has 4 divisors (see below), whose sum is σ = 13676120. Its totient is φ = 6838056.

The previous prime is 10257083. The next prime is 10257113. The reversal of 10257087 is 78075201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10257087 - 2² = 10257083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257083) 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 3 ways as a sum of consecutive naturals, for example, 1709512 + ... + 1709517.

It is an arithmetic number, because the mean of its divisors is an integer number (3419030).

Almost surely, 2^10257087 is an apocalyptic number.

10257087 is a deficient number, since it is larger than the sum of its proper divisors (3419033).

10257087 is an equidigital number, since it uses as much as digits as its factorization.

10257087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419032.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 10257087 is about 3202.6687309180. The cubic root of 10257087 is about 217.2741267225.

The spelling of 10257087 in words is "ten million, two hundred fifty-seven thousand, eighty-seven".