5154633221 has 4 divisors (see below), whose sum is σ = 5320911744. Its totient is φ = 4988354700.

The previous prime is 5154633179. The next prime is 5154633229. The reversal of 5154633221 is 1223364515.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1223364515 = 5 ⋅244672903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5154633221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5154633229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83139215 + ... + 83139276.

It is an arithmetic number, because the mean of its divisors is an integer number (1330227936).

Almost surely, 2^5154633221 is an apocalyptic number.

It is an amenable number.

5154633221 is a deficient number, since it is larger than the sum of its proper divisors (166278523).

5154633221 is a wasteful number, since it uses less digits than its factorization.

5154633221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166278522.

The product of its digits is 21600, while the sum is 32.

The square root of 5154633221 is about 71795.7743951550. The cubic root of 5154633221 is about 1727.4252209151.

Adding to 5154633221 its reverse (1223364515), we get a palindrome (6377997736).

The spelling of 5154633221 in words is "five billion, one hundred fifty-four million, six hundred thirty-three thousand, two hundred twenty-one".