29988525 has 36 divisors (see below), whose sum is σ = 56902112. Its totient is φ = 13651680.

The previous prime is 29988509. The next prime is 29988551. The reversal of 29988525 is 52588992.

It is not a de Polignac number, because 29988525 - 2⁴ = 29988509 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125356 + ... + 125594.

Almost surely, 2^29988525 is an apocalyptic number.

29988525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29988525 is a deficient number, since it is larger than the sum of its proper divisors (26913587).

29988525 is an equidigital number, since it uses as much as digits as its factorization.

29988525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 254 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 29988525 is about 5476.1779554722. The cubic root of 29988525 is about 310.6836283287.

The spelling of 29988525 in words is "twenty-nine million, nine hundred eighty-eight thousand, five hundred twenty-five".