505458233 has 4 divisors (see below), whose sum is σ = 577666560. Its totient is φ = 433249908.

The previous prime is 505458227. The next prime is 505458241. The reversal of 505458233 is 332854505.

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 not a de Polignac number, because 505458233 - 2⁶ = 505458169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505458193 and 505458202.

It is not an unprimeable number, because it can be changed into a prime (505458293) 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, 36104153 + ... + 36104166.

It is an arithmetic number, because the mean of its divisors is an integer number (144416640).

Almost surely, 2^505458233 is an apocalyptic number.

It is an amenable number.

505458233 is a deficient number, since it is larger than the sum of its proper divisors (72208327).

505458233 is an equidigital number, since it uses as much as digits as its factorization.

505458233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72208326.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 505458233 is about 22482.3982928868. The cubic root of 505458233 is about 796.5782147868.

The spelling of 505458233 in words is "five hundred five million, four hundred fifty-eight thousand, two hundred thirty-three".