29081957 has 2 divisors, whose sum is σ = 29081958. Its totient is φ = 29081956.

The previous prime is 29081909. The next prime is 29081981. The reversal of 29081957 is 75918092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24068836 + 5013121 = 4906^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 29081957 - 2⁶ = 29081893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29081057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14540978 + 14540979.

It is an arithmetic number, because the mean of its divisors is an integer number (14540979).

Almost surely, 2^29081957 is an apocalyptic number.

It is an amenable number.

29081957 is a deficient number, since it is larger than the sum of its proper divisors (1).

29081957 is an equidigital number, since it uses as much as digits as its factorization.

29081957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 29081957 is about 5392.7689548135. The cubic root of 29081957 is about 307.5208331887.

The spelling of 29081957 in words is "twenty-nine million, eighty-one thousand, nine hundred fifty-seven".