29932157 has 2 divisors, whose sum is σ = 29932158. Its totient is φ = 29932156.

The previous prime is 29932141. The next prime is 29932159. The reversal of 29932157 is 75123992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 13980121 = 3994^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 29932157 - 2⁴ = 29932141 is a prime.

Together with 29932159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29932157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29932159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14966078 + 14966079.

It is an arithmetic number, because the mean of its divisors is an integer number (14966079).

Almost surely, 2^29932157 is an apocalyptic number.

It is an amenable number.

29932157 is a deficient number, since it is larger than the sum of its proper divisors (1).

29932157 is an equidigital number, since it uses as much as digits as its factorization.

29932157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 29932157 is about 5471.0288794705. The cubic root of 29932157 is about 310.4888471718.

The spelling of 29932157 in words is "twenty-nine million, nine hundred thirty-two thousand, one hundred fifty-seven".