29270641 has 2 divisors, whose sum is σ = 29270642. Its totient is φ = 29270640.

The previous prime is 29270639. The next prime is 29270669. The reversal of 29270641 is 14607292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 14409616 = 3855^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 29270641 - 2¹ = 29270639 is a prime.

Together with 29270639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29270611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14635320 + 14635321.

It is an arithmetic number, because the mean of its divisors is an integer number (14635321).

Almost surely, 2^29270641 is an apocalyptic number.

It is an amenable number.

29270641 is a deficient number, since it is larger than the sum of its proper divisors (1).

29270641 is an equidigital number, since it uses as much as digits as its factorization.

29270641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 29270641 is about 5410.2348377866. The cubic root of 29270641 is about 308.1844660149.

The spelling of 29270641 in words is "twenty-nine million, two hundred seventy thousand, six hundred forty-one".