29159901 has 6 divisors (see below), whose sum is σ = 42119870. Its totient is φ = 19439928.

The previous prime is 29159873. The next prime is 29159903. The reversal of 29159901 is 10995192.

It can be written as a sum of positive squares in only one way, i.e., 18071001 + 11088900 = 4251^2 + 3330^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29159901 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 (29159903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1619986 + ... + 1620003.

Almost surely, 2^29159901 is an apocalyptic number.

It is an amenable number.

29159901 is a deficient number, since it is larger than the sum of its proper divisors (12959969).

29159901 is a wasteful number, since it uses less digits than its factorization.

29159901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239995 (or 3239992 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 29159901 is about 5399.9908333256. The cubic root of 29159901 is about 307.7953220730.

The spelling of 29159901 in words is "twenty-nine million, one hundred fifty-nine thousand, nine hundred one".