29250009 has 12 divisors (see below), whose sum is σ = 43707300. Its totient is φ = 18827424.

The previous prime is 29250007. The next prime is 29250029. The reversal of 29250009 is 90005292.

It can be written as a sum of positive squares in 2 ways, for example, as 14040009 + 15210000 = 3747^2 + 3900^2 .

It is not a de Polignac number, because 29250009 - 2¹ = 29250007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29250007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55774 + ... + 56295.

It is an arithmetic number, because the mean of its divisors is an integer number (3642275).

Almost surely, 2^29250009 is an apocalyptic number.

29250009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

29250009 is a deficient number, since it is larger than the sum of its proper divisors (14457291).

29250009 is a wasteful number, since it uses less digits than its factorization.

29250009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112104 (or 112101 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 29250009 is about 5408.3277452462. The cubic root of 29250009 is about 308.1120389887.

The spelling of 29250009 in words is "twenty-nine million, two hundred fifty thousand, nine".