29825131 has 8 divisors (see below), whose sum is σ = 35185664. Its totient is φ = 24739560.

The previous prime is 29825129. The next prime is 29825143. The reversal of 29825131 is 13152892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29825131 - 2¹ = 29825129 is a prime.

It is a super-2 number, since 2×29825131² = 1779076878334322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29825093 and 29825102.

It is not an unprimeable number, because it can be changed into a prime (29825431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68505 + ... + 68938.

It is an arithmetic number, because the mean of its divisors is an integer number (4398208).

Almost surely, 2^29825131 is an apocalyptic number.

29825131 is a deficient number, since it is larger than the sum of its proper divisors (5360533).

29825131 is a wasteful number, since it uses less digits than its factorization.

29825131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137481.

The product of its digits is 4320, while the sum is 31.

The square root of 29825131 is about 5461.2389619939. The cubic root of 29825131 is about 310.1183419142.

The spelling of 29825131 in words is "twenty-nine million, eight hundred twenty-five thousand, one hundred thirty-one".