30445252 has 6 divisors (see below), whose sum is σ = 53279198. Its totient is φ = 15222624.

The previous prime is 30445241. The next prime is 30445253. The reversal of 30445252 is 25254403.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 6081156 = 4936^2 + 2466^2 .

It is a super-3 number, since 3×30445252³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30445253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805653 + ... + 3805660.

Almost surely, 2^30445252 is an apocalyptic number.

It is an amenable number.

30445252 is a deficient number, since it is larger than the sum of its proper divisors (22833946).

30445252 is a wasteful number, since it uses less digits than its factorization.

30445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611317 (or 7611315 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30445252 is about 5517.7216312532. The cubic root of 30445252 is about 312.2529315411.

Adding to 30445252 its reverse (25254403), we get a palindrome (55699655).

The spelling of 30445252 in words is "thirty million, four hundred forty-five thousand, two hundred fifty-two".