2154125353 has 4 divisors (see below), whose sum is σ = 2163615120. Its totient is φ = 2144635588.

The previous prime is 2154125339. The next prime is 2154125383. The reversal of 2154125353 is 3535214512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154125353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154125383) 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 3 ways as a sum of consecutive naturals, for example, 4744543 + ... + 4744996.

It is an arithmetic number, because the mean of its divisors is an integer number (540903780).

Almost surely, 2^2154125353 is an apocalyptic number.

It is an amenable number.

2154125353 is a deficient number, since it is larger than the sum of its proper divisors (9489767).

2154125353 is an equidigital number, since it uses as much as digits as its factorization.

2154125353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9489766.

The product of its digits is 18000, while the sum is 31.

The square root of 2154125353 is about 46412.5559843454. Note that the first 3 decimals coincide. The cubic root of 2154125353 is about 1291.4878478300.

Adding to 2154125353 its reverse (3535214512), we get a palindrome (5689339865).

The spelling of 2154125353 in words is "two billion, one hundred fifty-four million, one hundred twenty-five thousand, three hundred fifty-three".