29285261 has 2 divisors, whose sum is σ = 29285262. Its totient is φ = 29285260.

The previous prime is 29285227. The next prime is 29285281. The reversal of 29285261 is 16258292.

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., 29268100 + 17161 = 5410^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 29285261 - 2⁶ = 29285197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29285281) 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, 14642630 + 14642631.

It is an arithmetic number, because the mean of its divisors is an integer number (14642631).

Almost surely, 2^29285261 is an apocalyptic number.

It is an amenable number.

29285261 is a deficient number, since it is larger than the sum of its proper divisors (1).

29285261 is an equidigital number, since it uses as much as digits as its factorization.

29285261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 29285261 is about 5411.5858119409. The cubic root of 29285261 is about 308.2357677834.

The spelling of 29285261 in words is "twenty-nine million, two hundred eighty-five thousand, two hundred sixty-one".