29157157 has 2 divisors, whose sum is σ = 29157158. Its totient is φ = 29157156.

The previous prime is 29157101. The next prime is 29157223. The reversal of 29157157 is 75175192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19633761 + 9523396 = 4431^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 29157157 - 2²³ = 20768549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29157257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14578578 + 14578579.

It is an arithmetic number, because the mean of its divisors is an integer number (14578579).

Almost surely, 2^29157157 is an apocalyptic number.

It is an amenable number.

29157157 is a deficient number, since it is larger than the sum of its proper divisors (1).

29157157 is an equidigital number, since it uses as much as digits as its factorization.

29157157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 37.

The square root of 29157157 is about 5399.7367528427. The cubic root of 29157157 is about 307.7856670693.

The spelling of 29157157 in words is "twenty-nine million, one hundred fifty-seven thousand, one hundred fifty-seven".