29170157 has 2 divisors, whose sum is σ = 29170158. Its totient is φ = 29170156.

The previous prime is 29170133. The next prime is 29170199. The reversal of 29170157 is 75107192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15413476 + 13756681 = 3926^2 + 3709^2 .

It is a cyclic number.

It is not a de Polignac number, because 29170157 - 2¹⁸ = 28908013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29170357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14585078 + 14585079.

It is an arithmetic number, because the mean of its divisors is an integer number (14585079).

Almost surely, 2^29170157 is an apocalyptic number.

It is an amenable number.

29170157 is a deficient number, since it is larger than the sum of its proper divisors (1).

29170157 is an equidigital number, since it uses as much as digits as its factorization.

29170157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 29170157 is about 5400.9403810818. The cubic root of 29170157 is about 307.8314033432.

The spelling of 29170157 in words is "twenty-nine million, one hundred seventy thousand, one hundred fifty-seven".