30267252 has 18 divisors (see below), whose sum is σ = 76508978. Its totient is φ = 10089072.

The previous prime is 30267239. The next prime is 30267257. The reversal of 30267252 is 25276203.

It can be written as a sum of positive squares in only one way, i.e., 16695396 + 13571856 = 4086^2 + 3684^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×30267252² = 1832213087263008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30267257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420343 + ... + 420414.

Almost surely, 2^30267252 is an apocalyptic number.

It is an amenable number.

30267252 is an abundant number, since it is smaller than the sum of its proper divisors (46241726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30267252 is a wasteful number, since it uses less digits than its factorization.

30267252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840767 (or 840762 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 30267252 is about 5501.5681400852. The cubic root of 30267252 is about 311.6432065361.

The spelling of 30267252 in words is "thirty million, two hundred sixty-seven thousand, two hundred fifty-two".