30091252 has 6 divisors (see below), whose sum is σ = 52659698. Its totient is φ = 15045624.

The previous prime is 30091223. The next prime is 30091261. The reversal of 30091252 is 25219003.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 9696996 = 4516^2 + 3114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3761403 + ... + 3761410.

Almost surely, 2^30091252 is an apocalyptic number.

It is an amenable number.

30091252 is a deficient number, since it is larger than the sum of its proper divisors (22568446).

30091252 is a wasteful number, since it uses less digits than its factorization.

30091252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522817 (or 7522815 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30091252 is about 5485.5493799619. The cubic root of 30091252 is about 311.0379774619.

The spelling of 30091252 in words is "thirty million, ninety-one thousand, two hundred fifty-two".