29539225 has 9 divisors (see below), whose sum is σ = 36662367. Its totient is φ = 23609640.

The previous prime is 29539219. The next prime is 29539241. The reversal of 29539225 is 52293592.

The square root of 29539225 is 5435.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 18905104 = 3261^2 + 4348^2 .

It is not a de Polignac number, because 29539225 - 2⁵ = 29539193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26632 + ... + 27718.

Almost surely, 2^29539225 is an apocalyptic number.

29539225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29539225 is the 5435-th square number.

29539225 is the 2718-th centered octagonal number.

It is an amenable number.

29539225 is a deficient number, since it is larger than the sum of its proper divisors (7123142).

29539225 is an frugal number, since it uses more digits than its factorization.

29539225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 1092 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The cubic root of 29539225 is about 309.1242191086.

The spelling of 29539225 in words is "twenty-nine million, five hundred thirty-nine thousand, two hundred twenty-five".