29525389 has 2 divisors, whose sum is σ = 29525390. Its totient is φ = 29525388.

The previous prime is 29525387. The next prime is 29525417. The reversal of 29525389 is 98352592.

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., 29214025 + 311364 = 5405^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 29525389 - 2¹ = 29525387 is a prime.

Together with 29525387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29525383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14762694 + 14762695.

It is an arithmetic number, because the mean of its divisors is an integer number (14762695).

Almost surely, 2^29525389 is an apocalyptic number.

It is an amenable number.

29525389 is a deficient number, since it is larger than the sum of its proper divisors (1).

29525389 is an equidigital number, since it uses as much as digits as its factorization.

29525389 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 29525389 is about 5433.7269898294. The cubic root of 29525389 is about 309.0759475798.

The spelling of 29525389 in words is "twenty-nine million, five hundred twenty-five thousand, three hundred eighty-nine".