29965997 has 2 divisors, whose sum is σ = 29965998. Its totient is φ = 29965996.

The previous prime is 29965981. The next prime is 29966011. The reversal of 29965997 is 79956992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24344356 + 5621641 = 4934^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 29965997 - 2⁴ = 29965981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29965927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14982998 + 14982999.

It is an arithmetic number, because the mean of its divisors is an integer number (14982999).

Almost surely, 2^29965997 is an apocalyptic number.

It is an amenable number.

29965997 is a deficient number, since it is larger than the sum of its proper divisors (1).

29965997 is an equidigital number, since it uses as much as digits as its factorization.

29965997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 56.

The square root of 29965997 is about 5474.1206599782. The cubic root of 29965997 is about 310.6058115179.

The spelling of 29965997 in words is "twenty-nine million, nine hundred sixty-five thousand, nine hundred ninety-seven".