29803825 has 6 divisors (see below), whose sum is σ = 36956774. Its totient is φ = 23843040.

The previous prime is 29803817. The next prime is 29803841. The reversal of 29803825 is 52830892.

It can be written as a sum of positive squares in 3 ways, for example, as 5271616 + 24532209 = 2296^2 + 4953^2 .

It is not a de Polignac number, because 29803825 - 2³ = 29803817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 596052 + ... + 596101.

Almost surely, 2^29803825 is an apocalyptic number.

29803825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29803825 is a deficient number, since it is larger than the sum of its proper divisors (7152949).

29803825 is a wasteful number, since it uses less digits than its factorization.

29803825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192163 (or 1192158 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 29803825 is about 5459.2879572340. The cubic root of 29803825 is about 310.0444785295.

It can be divided in two parts, 29803 and 825, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 29803825 in words is "twenty-nine million, eight hundred three thousand, eight hundred twenty-five".