29342531 has 2 divisors, whose sum is σ = 29342532. Its totient is φ = 29342530.

The previous prime is 29342513. The next prime is 29342543. The reversal of 29342531 is 13524392.

Together with previous prime (29342513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29342531 is a prime.

It is a super-2 number, since 2×29342531² = 1721968250971922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29342494 and 29342503.

It is not a weakly prime, because it can be changed into another prime (29342431) 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 as a sum of consecutive naturals, namely, 14671265 + 14671266.

It is an arithmetic number, because the mean of its divisors is an integer number (14671266).

Almost surely, 2^29342531 is an apocalyptic number.

29342531 is the 2423-rd centered decagonal number.

29342531 is a deficient number, since it is larger than the sum of its proper divisors (1).

29342531 is an equidigital number, since it uses as much as digits as its factorization.

29342531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 29342531 is about 5416.8746524172. The cubic root of 29342531 is about 308.4365646709.

It can be divided in two parts, 293 and 42531, that added together give a palindrome (42824).

The spelling of 29342531 in words is "twenty-nine million, three hundred forty-two thousand, five hundred thirty-one".