153421211 has 8 divisors (see below), whose sum is σ = 154736400. Its totient is φ = 152111520.

The previous prime is 153421199. The next prime is 153421249. The reversal of 153421211 is 112124351.

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 153421211 - 2¹⁰ = 153420187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153421711) 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, 69320 + ... + 71498.

It is an arithmetic number, because the mean of its divisors is an integer number (19342050).

Almost surely, 2^153421211 is an apocalyptic number.

153421211 is a deficient number, since it is larger than the sum of its proper divisors (1315189).

153421211 is a wasteful number, since it uses less digits than its factorization.

153421211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its digits is 240, while the sum is 20.

The square root of 153421211 is about 12386.3316199753. The cubic root of 153421211 is about 535.3384890309.

Adding to 153421211 its reverse (112124351), we get a palindrome (265545562).

The spelling of 153421211 in words is "one hundred fifty-three million, four hundred twenty-one thousand, two hundred eleven".