10506290 has 16 divisors (see below), whose sum is σ = 19023768. Its totient is φ = 4177536.

The previous prime is 10506281. The next prime is 10506311. The reversal of 10506290 is 9260501.

It can be written as a sum of positive squares in 4 ways, for example, as 10504081 + 2209 = 3241^2 + 47^2 .

It is a super-2 number, since 2×10506290² = 220764259128200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307 + ... + 4766.

Almost surely, 2^10506290 is an apocalyptic number.

10506290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10506290 is a deficient number, since it is larger than the sum of its proper divisors (8517478).

10506290 is a wasteful number, since it uses less digits than its factorization.

10506290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 10506290 is about 3241.3407719646. The cubic root of 10506290 is about 219.0196739413.

Adding to 10506290 its reverse (9260501), we get a palindrome (19766791).

The spelling of 10506290 in words is "ten million, five hundred six thousand, two hundred ninety".