30125253 has 8 divisors (see below), whose sum is σ = 40925088. Its totient is φ = 19704464.

The previous prime is 30125243. The next prime is 30125257. The reversal of 30125253 is 35252103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30125253 - 2⁴ = 30125237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30125257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94575 + ... + 94892.

It is an arithmetic number, because the mean of its divisors is an integer number (5115636).

Almost surely, 2^30125253 is an apocalyptic number.

It is an amenable number.

30125253 is a deficient number, since it is larger than the sum of its proper divisors (10799835).

30125253 is a wasteful number, since it uses less digits than its factorization.

30125253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189523.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30125253 is about 5488.6476476451. The cubic root of 30125253 is about 311.1550837175.

Adding to 30125253 its reverse (35252103), we get a palindrome (65377356).

The spelling of 30125253 in words is "thirty million, one hundred twenty-five thousand, two hundred fifty-three".