506012091 has 8 divisors (see below), whose sum is σ = 726581520. Its totient is φ = 311392032.

The previous prime is 506012083. The next prime is 506012113. The reversal of 506012091 is 190210605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506012091 - 2³ = 506012083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506012071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6487296 + ... + 6487373.

It is an arithmetic number, because the mean of its divisors is an integer number (90822690).

Almost surely, 2^506012091 is an apocalyptic number.

506012091 is a deficient number, since it is larger than the sum of its proper divisors (220569429).

506012091 is a wasteful number, since it uses less digits than its factorization.

506012091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974685.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 506012091 is about 22494.7125120549. The cubic root of 506012091 is about 796.8690598988.

Adding to 506012091 its reverse (190210605), we get a palindrome (696222696).

The spelling of 506012091 in words is "five hundred six million, twelve thousand, ninety-one".