30125433 has 12 divisors (see below), whose sum is σ = 43495440. Its totient is φ = 18538416.

The previous prime is 30125429. The next prime is 30125453. The reversal of 30125433 is 33452103.

It is not a de Polignac number, because 30125433 - 2² = 30125429 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30125453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29203 + ... + 30216.

It is an arithmetic number, because the mean of its divisors is an integer number (3624620).

Almost surely, 2^30125433 is an apocalyptic number.

It is an amenable number.

30125433 is a deficient number, since it is larger than the sum of its proper divisors (13370007).

30125433 is a wasteful number, since it uses less digits than its factorization.

30125433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59448 (or 59435 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30125433 is about 5488.6640451024. The cubic root of 30125433 is about 311.1557034390.

Adding to 30125433 its reverse (33452103), we get a palindrome (63577536).

The spelling of 30125433 in words is "thirty million, one hundred twenty-five thousand, four hundred thirty-three".