29925105 has 32 divisors (see below), whose sum is σ = 55271424. Its totient is φ = 13542336.

The previous prime is 29925073. The next prime is 29925107. The reversal of 29925105 is 50152992.

It is not a de Polignac number, because 29925105 - 2⁵ = 29925073 is a prime.

It is a super-2 number, since 2×29925105² = 1791023818522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29925107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9432 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (1727232).

Almost surely, 2^29925105 is an apocalyptic number.

It is an amenable number.

29925105 is a deficient number, since it is larger than the sum of its proper divisors (25346319).

29925105 is a wasteful number, since it uses less digits than its factorization.

29925105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 29925105 is about 5470.3843557834. The cubic root of 29925105 is about 310.4644615885.

The spelling of 29925105 in words is "twenty-nine million, nine hundred twenty-five thousand, one hundred five".