29489531 has 2 divisors, whose sum is σ = 29489532. Its totient is φ = 29489530.

The previous prime is 29489513. The next prime is 29489533. The reversal of 29489531 is 13598492.

Together with previous prime (29489513) 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 not a de Polignac number, because 29489531 - 2²² = 25295227 is a prime.

It is a super-2 number, since 2×29489531² = 1739264877199922, which contains 22 as substring.

Together with 29489533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29489533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14744765 + 14744766.

It is an arithmetic number, because the mean of its divisors is an integer number (14744766).

Almost surely, 2^29489531 is an apocalyptic number.

29489531 is a deficient number, since it is larger than the sum of its proper divisors (1).

29489531 is an equidigital number, since it uses as much as digits as its factorization.

29489531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 29489531 is about 5430.4264105133. The cubic root of 29489531 is about 308.9507746877.

The spelling of 29489531 in words is "twenty-nine million, four hundred eighty-nine thousand, five hundred thirty-one".