153321013 has 16 divisors (see below), whose sum is σ = 170190720. Its totient is φ = 137465856.

The previous prime is 153321001. The next prime is 153321029. The reversal of 153321013 is 310123351.

It is a cyclic number.

It is not a de Polignac number, because 153321013 - 2²¹ = 151223861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153321053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40581 + ... + 44197.

It is an arithmetic number, because the mean of its divisors is an integer number (10636920).

Almost surely, 2^153321013 is an apocalyptic number.

It is an amenable number.

153321013 is a deficient number, since it is larger than the sum of its proper divisors (16869707).

153321013 is a wasteful number, since it uses less digits than its factorization.

153321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 153321013 is about 12382.2862590073. The cubic root of 153321013 is about 535.2219220820.

Adding to 153321013 its reverse (310123351), we get a palindrome (463444364).

The spelling of 153321013 in words is "one hundred fifty-three million, three hundred twenty-one thousand, thirteen".