29380625 has 20 divisors (see below), whose sum is σ = 38003460. Its totient is φ = 22680000.

The previous prime is 29380619. The next prime is 29380633. The reversal of 29380625 is 52608392.

It can be written as a sum of positive squares in 10 ways, for example, as 18464209 + 10916416 = 4297^2 + 3304^2 .

It is not a de Polignac number, because 29380625 - 2¹⁰ = 29379601 is a prime.

It is a super-2 number, since 2×29380625² = 1726442250781250, which contains 22 as substring.

It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 17315 + ... + 18935.

It is an arithmetic number, because the mean of its divisors is an integer number (1900173).

Almost surely, 2^29380625 is an apocalyptic number.

29380625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29380625 is a deficient number, since it is larger than the sum of its proper divisors (8622835).

29380625 is an equidigital number, since it uses as much as digits as its factorization.

29380625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 29380625 is about 5420.3897461345. The cubic root of 29380625 is about 308.5699830812.

The spelling of 29380625 in words is "twenty-nine million, three hundred eighty thousand, six hundred twenty-five".