30235525 has 24 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 23506560.

The previous prime is 30235519. The next prime is 30235561. The reversal of 30235525 is 52553203.

It is not a de Polignac number, because 30235525 - 2⁷ = 30235397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 30235525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238012 + ... + 238138.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^30235525 is an apocalyptic number.

30235525 is the 3175-th octagonal number.

It is an amenable number.

30235525 is a deficient number, since it is larger than the sum of its proper divisors (8333435).

30235525 is a wasteful number, since it uses less digits than its factorization.

30235525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 30235525 is about 5498.6839334517. The cubic root of 30235525 is about 311.5342773562.

Adding to 30235525 its reverse (52553203), we get a palindrome (82788728).

The spelling of 30235525 in words is "thirty million, two hundred thirty-five thousand, five hundred twenty-five".