29123425 has 6 divisors (see below), whose sum is σ = 36113078. Its totient is φ = 23298720.

The previous prime is 29123401. The next prime is 29123441. The reversal of 29123425 is 52432192.

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 28376929 = 864^2 + 5327^2 .

It is not a de Polignac number, because 29123425 - 2⁹ = 29122913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29123393 and 29123402.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 582444 + ... + 582493.

Almost surely, 2^29123425 is an apocalyptic number.

29123425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29123425 is a deficient number, since it is larger than the sum of its proper divisors (6989653).

29123425 is a wasteful number, since it uses less digits than its factorization.

29123425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164947 (or 1164942 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 29123425 is about 5396.6123633257. The cubic root of 29123425 is about 307.6669285558. Note that the first 3 decimals are identical.

It can be divided in two parts, 291 and 23425, that added together give a square (23716 = 154²).

The spelling of 29123425 in words is "twenty-nine million, one hundred twenty-three thousand, four hundred twenty-five".