505672653 has 8 divisors (see below), whose sum is σ = 674336448. Its totient is φ = 337061984.

The previous prime is 505672621. The next prime is 505672663. The reversal of 505672653 is 356276505.

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 505672653 - 2⁵ = 505672621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505672613) 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, 23425 + ... + 39497.

It is an arithmetic number, because the mean of its divisors is an integer number (84292056).

Almost surely, 2^505672653 is an apocalyptic number.

It is an amenable number.

505672653 is a deficient number, since it is larger than the sum of its proper divisors (168663795).

505672653 is a wasteful number, since it uses less digits than its factorization.

505672653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26563.

The product of its (nonzero) digits is 189000, while the sum is 39.

The square root of 505672653 is about 22487.1664066418. The cubic root of 505672653 is about 796.6908374484.

The spelling of 505672653 in words is "five hundred five million, six hundred seventy-two thousand, six hundred fifty-three".