30421653 has 8 divisors (see below), whose sum is σ = 42948288. Its totient is φ = 19088064.

The previous prime is 30421649. The next prime is 30421673. The reversal of 30421653 is 35612403.

It is a happy number.

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

It is not a de Polignac number, because 30421653 - 2² = 30421649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421673) 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 in 7 ways as a sum of consecutive naturals, for example, 298201 + ... + 298302.

It is an arithmetic number, because the mean of its divisors is an integer number (5368536).

Almost surely, 2^30421653 is an apocalyptic number.

It is an amenable number.

30421653 is a deficient number, since it is larger than the sum of its proper divisors (12526635).

30421653 is a wasteful number, since it uses less digits than its factorization.

30421653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596523.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30421653 is about 5515.5827434642. The cubic root of 30421653 is about 312.1722319114.

The spelling of 30421653 in words is "thirty million, four hundred twenty-one thousand, six hundred fifty-three".