29681125 has 16 divisors (see below), whose sum is σ = 37200384. Its totient is φ = 23643600.

The previous prime is 29681117. The next prime is 29681129. The reversal of 29681125 is 52118692.

It is not a de Polignac number, because 29681125 - 2³ = 29681117 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 (29681129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45552 + ... + 46198.

It is an arithmetic number, because the mean of its divisors is an integer number (2325024).

Almost surely, 2^29681125 is an apocalyptic number.

29681125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29681125 is a deficient number, since it is larger than the sum of its proper divisors (7519259).

29681125 is an equidigital number, since it uses as much as digits as its factorization.

29681125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1019 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 29681125 is about 5448.0386378953. The cubic root of 29681125 is about 309.6184170739.

The spelling of 29681125 in words is "twenty-nine million, six hundred eighty-one thousand, one hundred twenty-five".