29925853 has 2 divisors, whose sum is σ = 29925854. Its totient is φ = 29925852.

The previous prime is 29925809. The next prime is 29925913. The reversal of 29925853 is 35852992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26440164 + 3485689 = 5142^2 + 1867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29925853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29925053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14962926 + 14962927.

It is an arithmetic number, because the mean of its divisors is an integer number (14962927).

Almost surely, 2^29925853 is an apocalyptic number.

It is an amenable number.

29925853 is a deficient number, since it is larger than the sum of its proper divisors (1).

29925853 is an equidigital number, since it uses as much as digits as its factorization.

29925853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 43.

The square root of 29925853 is about 5470.4527234956. The cubic root of 29925853 is about 310.4670483294.

The spelling of 29925853 in words is "twenty-nine million, nine hundred twenty-five thousand, eight hundred fifty-three".