30235205 has 48 divisors (see below), whose sum is σ = 49641984. Its totient is φ = 17377920.

The previous prime is 30235201. The next prime is 30235207. The reversal of 30235205 is 50253203.

It is not a de Polignac number, because 30235205 - 2² = 30235201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30235201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 34604 + ... + 35466.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^30235205 is an apocalyptic number.

30235205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30235205 is a deficient number, since it is larger than the sum of its proper divisors (19406779).

30235205 is a wasteful number, since it uses less digits than its factorization.

30235205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30235205 is about 5498.6548355030. The cubic root of 30235205 is about 311.5331783033.

Adding to 30235205 its reverse (50253203), we get a palindrome (80488408).

It can be divided in two parts, 3023 and 5205, that added together give a palindrome (8228).

The spelling of 30235205 in words is "thirty million, two hundred thirty-five thousand, two hundred five".