29428253 has 2 divisors, whose sum is σ = 29428254. Its totient is φ = 29428252.

The previous prime is 29428229. The next prime is 29428279. The reversal of 29428253 is 35282492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 3193369 = 5122^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 29428253 - 2⁸ = 29427997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29428153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14714126 + 14714127.

It is an arithmetic number, because the mean of its divisors is an integer number (14714127).

Almost surely, 2^29428253 is an apocalyptic number.

It is an amenable number.

29428253 is a deficient number, since it is larger than the sum of its proper divisors (1).

29428253 is an equidigital number, since it uses as much as digits as its factorization.

29428253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 29428253 is about 5424.7813780834. The cubic root of 29428253 is about 308.7366307378.

The spelling of 29428253 in words is "twenty-nine million, four hundred twenty-eight thousand, two hundred fifty-three".