29230681 has 2 divisors, whose sum is σ = 29230682. Its totient is φ = 29230680.

The previous prime is 29230661. The next prime is 29230687. The reversal of 29230681 is 18603292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25918281 + 3312400 = 5091^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 29230681 - 2⁹ = 29230169 is a prime.

It is a super-2 number, since 2×29230681² = 1708865423447522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29230687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14615340 + 14615341.

It is an arithmetic number, because the mean of its divisors is an integer number (14615341).

Almost surely, 2^29230681 is an apocalyptic number.

It is an amenable number.

29230681 is a deficient number, since it is larger than the sum of its proper divisors (1).

29230681 is an equidigital number, since it uses as much as digits as its factorization.

29230681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 29230681 is about 5406.5405760061. The cubic root of 29230681 is about 308.0441586486.

The spelling of 29230681 in words is "twenty-nine million, two hundred thirty thousand, six hundred eighty-one".