30249452 has 12 divisors (see below), whose sum is σ = 53451216. Its totient is φ = 14977680.

The previous prime is 30249449. The next prime is 30249491. The reversal of 30249452 is 25494203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36299 + ... + 37122.

It is an arithmetic number, because the mean of its divisors is an integer number (4454268).

Almost surely, 2^30249452 is an apocalyptic number.

It is an amenable number.

30249452 is a deficient number, since it is larger than the sum of its proper divisors (23201764).

30249452 is a wasteful number, since it uses less digits than its factorization.

30249452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73528 (or 73526 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30249452 is about 5499.9501815926. The cubic root of 30249452 is about 311.5821026862.

The spelling of 30249452 in words is "thirty million, two hundred forty-nine thousand, four hundred fifty-two".