2125154233 has 4 divisors (see below), whose sum is σ = 2135833600. Its totient is φ = 2114474868.

The previous prime is 2125154203. The next prime is 2125154243. The reversal of 2125154233 is 3324515212.

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 not a de Polignac number, because 2125154233 - 2⁹ = 2125153721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125154203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5339385 + ... + 5339782.

It is an arithmetic number, because the mean of its divisors is an integer number (533958400).

Almost surely, 2^2125154233 is an apocalyptic number.

It is an amenable number.

2125154233 is a deficient number, since it is larger than the sum of its proper divisors (10679367).

2125154233 is a wasteful number, since it uses less digits than its factorization.

2125154233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679366.

The product of its digits is 7200, while the sum is 28.

The square root of 2125154233 is about 46099.3951478759. The cubic root of 2125154233 is about 1285.6718986138.

Adding to 2125154233 its reverse (3324515212), we get a palindrome (5449669445).

The spelling of 2125154233 in words is "two billion, one hundred twenty-five million, one hundred fifty-four thousand, two hundred thirty-three".