30252237 has 8 divisors (see below), whose sum is σ = 42459360. Its totient is φ = 19106640.

The previous prime is 30252193. The next prime is 30252239. The reversal of 30252237 is 73225203.

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

It is not a de Polignac number, because 30252237 - 2⁷ = 30252109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30252239) 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, 265314 + ... + 265427.

It is an arithmetic number, because the mean of its divisors is an integer number (5307420).

Almost surely, 2^30252237 is an apocalyptic number.

It is an amenable number.

30252237 is a deficient number, since it is larger than the sum of its proper divisors (12207123).

30252237 is a wasteful number, since it uses less digits than its factorization.

30252237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530763.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30252237 is about 5500.2033598768. The cubic root of 30252237 is about 311.5916646173.

The spelling of 30252237 in words is "thirty million, two hundred fifty-two thousand, two hundred thirty-seven".