30325681 has 8 divisors (see below), whose sum is σ = 31232960. Its totient is φ = 29423088.

The previous prime is 30325679. The next prime is 30325693. The reversal of 30325681 is 18652303.

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

It is a cyclic number.

It is not a de Polignac number, because 30325681 - 2¹ = 30325679 is a prime.

It is a super-2 number, since 2×30325681² = 1839293856227522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320681) 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, 15310 + ... + 17176.

It is an arithmetic number, because the mean of its divisors is an integer number (3904120).

Almost surely, 2^30325681 is an apocalyptic number.

It is an amenable number.

30325681 is a deficient number, since it is larger than the sum of its proper divisors (907279).

30325681 is a wasteful number, since it uses less digits than its factorization.

30325681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 30325681 is about 5506.8757930427. The cubic root of 30325681 is about 311.8436134132.

Adding to 30325681 its reverse (18652303), we get a palindrome (48977984).

The spelling of 30325681 in words is "thirty million, three hundred twenty-five thousand, six hundred eighty-one".