29090641 has 2 divisors, whose sum is σ = 29090642. Its totient is φ = 29090640.

The previous prime is 29090639. The next prime is 29090651. The reversal of 29090641 is 14609092.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28998225 + 92416 = 5385^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 29090641 - 2¹ = 29090639 is a prime.

Together with 29090639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29090651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14545320 + 14545321.

It is an arithmetic number, because the mean of its divisors is an integer number (14545321).

Almost surely, 2^29090641 is an apocalyptic number.

It is an amenable number.

29090641 is a deficient number, since it is larger than the sum of its proper divisors (1).

29090641 is an equidigital number, since it uses as much as digits as its factorization.

29090641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 29090641 is about 5393.5740469562. The cubic root of 29090641 is about 307.5514391661.

The spelling of 29090641 in words is "twenty-nine million, ninety thousand, six hundred forty-one".