30153421 has 8 divisors (see below), whose sum is σ = 31192064. Its totient is φ = 29118960.

The previous prime is 30153419. The next prime is 30153439. The reversal of 30153421 is 12435103.

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 30153421 - 2¹ = 30153419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30153451) 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, 22060 + ... + 23386.

It is an arithmetic number, because the mean of its divisors is an integer number (3899008).

Almost surely, 2^30153421 is an apocalyptic number.

30153421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30153421 is a deficient number, since it is larger than the sum of its proper divisors (1038643).

30153421 is a wasteful number, since it uses less digits than its factorization.

30153421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30153421 is about 5491.2130718085. The cubic root of 30153421 is about 311.2520332335.

Adding to 30153421 its reverse (12435103), we get a palindrome (42588524).

The spelling of 30153421 in words is "thirty million, one hundred fifty-three thousand, four hundred twenty-one".