10509290 has 16 divisors (see below), whose sum is σ = 20636640. Its totient is φ = 3821520.

The previous prime is 10509283. The next prime is 10509293. The reversal of 10509290 is 9290501.

It is a happy number.

10509290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10509290² = 220890352608200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10509293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47660 + ... + 47879.

It is an arithmetic number, because the mean of its divisors is an integer number (1289790).

Almost surely, 2^10509290 is an apocalyptic number.

10509290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10509290 is a deficient number, since it is larger than the sum of its proper divisors (10127350).

10509290 is a wasteful number, since it uses less digits than its factorization.

10509290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95557.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 10509290 is about 3241.8035103936. The cubic root of 10509290 is about 219.0405184859.

Adding to 10509290 its reverse (9290501), we get a palindrome (19799791).

The spelling of 10509290 in words is "ten million, five hundred nine thousand, two hundred ninety".