29285725 has 24 divisors (see below), whose sum is σ = 42104448. Its totient is φ = 19790400.

The previous prime is 29285723. The next prime is 29285777. The reversal of 29285725 is 52758292.

It is not a de Polignac number, because 29285725 - 2¹ = 29285723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29285723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11247 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (1754352).

Almost surely, 2^29285725 is an apocalyptic number.

29285725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29285725 is a deficient number, since it is larger than the sum of its proper divisors (12818723).

29285725 is a wasteful number, since it uses less digits than its factorization.

29285725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2440 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 29285725 is about 5411.6286827535. The cubic root of 29285725 is about 308.2373956858.

The spelling of 29285725 in words is "twenty-nine million, two hundred eighty-five thousand, seven hundred twenty-five".