29117051 has 4 divisors (see below), whose sum is σ = 29132472. Its totient is φ = 29101632.

The previous prime is 29117047. The next prime is 29117059. The reversal of 29117051 is 15071192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29117051 - 2² = 29117047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29117051.

It is not an unprimeable number, because it can be changed into a prime (29117059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4406 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (7283118).

Almost surely, 2^29117051 is an apocalyptic number.

29117051 is the 4406-th pentagonal number.

29117051 is a deficient number, since it is larger than the sum of its proper divisors (15421).

29117051 is a wasteful number, since it uses less digits than its factorization.

29117051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15420.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 29117051 is about 5396.0217753452. The cubic root of 29117051 is about 307.6444814239.

The spelling of 29117051 in words is "twenty-nine million, one hundred seventeen thousand, fifty-one".