29272361 has 2 divisors, whose sum is σ = 29272362. Its totient is φ = 29272360.

The previous prime is 29272349. The next prime is 29272363. The reversal of 29272361 is 16327292.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28558336 + 714025 = 5344^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 29272361 - 2⁶ = 29272297 is a prime.

It is a super-2 number, since 2×29272361² = 1713742237028642, which contains 22 as substring.

Together with 29272363, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (29272363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14636180 + 14636181.

It is an arithmetic number, because the mean of its divisors is an integer number (14636181).

Almost surely, 2^29272361 is an apocalyptic number.

It is an amenable number.

29272361 is a deficient number, since it is larger than the sum of its proper divisors (1).

29272361 is an equidigital number, since it uses as much as digits as its factorization.

29272361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 29272361 is about 5410.3937934313. The cubic root of 29272361 is about 308.1905024036.

The spelling of 29272361 in words is "twenty-nine million, two hundred seventy-two thousand, three hundred sixty-one".