545252231 has 8 divisors (see below), whose sum is σ = 556600944. Its totient is φ = 533998080.

The previous prime is 545252209. The next prime is 545252243. The reversal of 545252231 is 132252545.

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 545252231 - 2¹⁰ = 545251207 is a prime.

It is a super-2 number, since 2×545252231² = 594599990820954722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545252194 and 545252203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545252251) 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 7 ways as a sum of consecutive naturals, for example, 11930 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (69575118).

Almost surely, 2^545252231 is an apocalyptic number.

545252231 is a deficient number, since it is larger than the sum of its proper divisors (11348713).

545252231 is a wasteful number, since it uses less digits than its factorization.

545252231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47281.

The product of its digits is 12000, while the sum is 29.

The square root of 545252231 is about 23350.6366294369. The cubic root of 545252231 is about 816.9569098762.

The spelling of 545252231 in words is "five hundred forty-five million, two hundred fifty-two thousand, two hundred thirty-one".