29252381 has 8 divisors (see below), whose sum is σ = 30907200. Its totient is φ = 27609120.

The previous prime is 29252371. The next prime is 29252383. The reversal of 29252381 is 18325292.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29252381 is a prime.

It is a super-2 number, since 2×29252381² = 1711403588338322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29252383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (3863400).

Almost surely, 2^29252381 is an apocalyptic number.

It is an amenable number.

29252381 is a deficient number, since it is larger than the sum of its proper divisors (1654819).

29252381 is a wasteful number, since it uses less digits than its factorization.

29252381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779.

The product of its digits is 8640, while the sum is 32.

The square root of 29252381 is about 5408.5470322444. The cubic root of 29252381 is about 308.1203674420.

The spelling of 29252381 in words is "twenty-nine million, two hundred fifty-two thousand, three hundred eighty-one".