153361321 has 8 divisors (see below), whose sum is σ = 154625760. Its totient is φ = 152101152.

The previous prime is 153361297. The next prime is 153361333. The reversal of 153361321 is 123163351.

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 153361321 - 2⁵ = 153361289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153361121) 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, 131286 + ... + 132448.

It is an arithmetic number, because the mean of its divisors is an integer number (19328220).

Almost surely, 2^153361321 is an apocalyptic number.

It is an amenable number.

153361321 is a deficient number, since it is larger than the sum of its proper divisors (1264439).

153361321 is a wasteful number, since it uses less digits than its factorization.

153361321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 1620, while the sum is 25.

The square root of 153361321 is about 12383.9137997646. The cubic root of 153361321 is about 535.2688211437.

The spelling of 153361321 in words is "one hundred fifty-three million, three hundred sixty-one thousand, three hundred twenty-one".