29442425 has 6 divisors (see below), whose sum is σ = 36508638. Its totient is φ = 23553920.

The previous prime is 29442421. The next prime is 29442437. The reversal of 29442425 is 52424492.

It can be written as a sum of positive squares in 3 ways, for example, as 7689529 + 21752896 = 2773^2 + 4664^2 .

It is not a de Polignac number, because 29442425 - 2² = 29442421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29442391 and 29442400.

It is not an unprimeable number, because it can be changed into a prime (29442421) 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 in 5 ways as a sum of consecutive naturals, for example, 588824 + ... + 588873.

It is an arithmetic number, because the mean of its divisors is an integer number (6084773).

Almost surely, 2^29442425 is an apocalyptic number.

29442425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29442425 is a deficient number, since it is larger than the sum of its proper divisors (7066213).

29442425 is a wasteful number, since it uses less digits than its factorization.

29442425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177707 (or 1177702 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 29442425 is about 5426.0874486134. The cubic root of 29442425 is about 308.7861830433.

The spelling of 29442425 in words is "twenty-nine million, four hundred forty-two thousand, four hundred twenty-five".