29117025 has 108 divisors (see below), whose sum is σ = 64318800. Its totient is φ = 12519360.

The previous prime is 29116991. The next prime is 29117041. The reversal of 29117025 is 52071192.

It is not a de Polignac number, because 29117025 - 2⁹ = 29116513 is a prime.

It is a super-2 number, since 2×29117025² = 1695602289701250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29117025.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 209406 + ... + 209544.

Almost surely, 2^29117025 is an apocalyptic number.

29117025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29117025 is an abundant number, since it is smaller than the sum of its proper divisors (35201775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29117025 is a wasteful number, since it uses less digits than its factorization.

29117025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 29117025 is about 5396.0193661624. The cubic root of 29117025 is about 307.6443898537.

The spelling of 29117025 in words is "twenty-nine million, one hundred seventeen thousand, twenty-five".