505849835 has 4 divisors (see below), whose sum is σ = 607019808. Its totient is φ = 404679864.

The previous prime is 505849831. The next prime is 505849837. The reversal of 505849835 is 538948505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538948505 = 5 ⋅107789701.

It is a cyclic number.

It is not a de Polignac number, because 505849835 - 2² = 505849831 is a prime.

It is a super-3 number, since 3×505849835³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505849835.

It is not an unprimeable number, because it can be changed into a prime (505849831) 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, 50584979 + ... + 50584988.

It is an arithmetic number, because the mean of its divisors is an integer number (151754952).

Almost surely, 2^505849835 is an apocalyptic number.

505849835 is a deficient number, since it is larger than the sum of its proper divisors (101169973).

505849835 is a wasteful number, since it uses less digits than its factorization.

505849835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101169972.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 505849835 is about 22491.1056864708. The cubic root of 505849835 is about 796.7838770801.

The spelling of 505849835 in words is "five hundred five million, eight hundred forty-nine thousand, eight hundred thirty-five".