10509087 has 4 divisors (see below), whose sum is σ = 14012120. Its totient is φ = 7006056.

The previous prime is 10509029. The next prime is 10509097. The reversal of 10509087 is 78090501.

10509087 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78090501 = 3 ⋅26030167.

It is not a de Polignac number, because 10509087 - 2⁷ = 10508959 is a prime.

It is a super-2 number, since 2×10509087² = 220881819147138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10509097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751512 + ... + 1751517.

It is an arithmetic number, because the mean of its divisors is an integer number (3503030).

Almost surely, 2^10509087 is an apocalyptic number.

10509087 is a deficient number, since it is larger than the sum of its proper divisors (3503033).

10509087 is an equidigital number, since it uses as much as digits as its factorization.

10509087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503032.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 10509087 is about 3241.7722005101. The cubic root of 10509087 is about 219.0391081302.

Adding to 10509087 its reverse (78090501), we get a palindrome (88599588).

The spelling of 10509087 in words is "ten million, five hundred nine thousand, eighty-seven".