30255641 has 8 divisors (see below), whose sum is σ = 32889024. Its totient is φ = 27666000.

The previous prime is 30255611. The next prime is 30255647. The reversal of 30255641 is 14655203.

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 30255641 - 2¹⁰ = 30254617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30255641.

It is not an unprimeable number, because it can be changed into a prime (30255647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9485 + ... + 12266.

It is an arithmetic number, because the mean of its divisors is an integer number (4111128).

Almost surely, 2^30255641 is an apocalyptic number.

It is an amenable number.

30255641 is a deficient number, since it is larger than the sum of its proper divisors (2633383).

30255641 is a wasteful number, since it uses less digits than its factorization.

30255641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30255641 is about 5500.5127942765. The cubic root of 30255641 is about 311.6033510065.

The spelling of 30255641 in words is "thirty million, two hundred fifty-five thousand, six hundred forty-one".