29081425 has 6 divisors (see below), whose sum is σ = 36060998. Its totient is φ = 23265120.

The previous prime is 29081413. The next prime is 29081431. The reversal of 29081425 is 52418092.

It can be written as a sum of positive squares in 3 ways, for example, as 1192464 + 27888961 = 1092^2 + 5281^2 .

It is not a de Polignac number, because 29081425 - 2⁹ = 29080913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 581604 + ... + 581653.

Almost surely, 2^29081425 is an apocalyptic number.

29081425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29081425 is a deficient number, since it is larger than the sum of its proper divisors (6979573).

29081425 is a wasteful number, since it uses less digits than its factorization.

29081425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163267 (or 1163262 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 29081425 is about 5392.7196292780. The cubic root of 29081425 is about 307.5189580045.

The spelling of 29081425 in words is "twenty-nine million, eighty-one thousand, four hundred twenty-five".