657112263 has 4 divisors (see below), whose sum is σ = 876149688. Its totient is φ = 438074840.

The previous prime is 657112243. The next prime is 657112273. The reversal of 657112263 is 362211756.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 657112263 - 2⁶ = 657112199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657112243) 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 3 ways as a sum of consecutive naturals, for example, 109518708 + ... + 109518713.

It is an arithmetic number, because the mean of its divisors is an integer number (219037422).

Almost surely, 2^657112263 is an apocalyptic number.

657112263 is a deficient number, since it is larger than the sum of its proper divisors (219037425).

657112263 is a wasteful number, since it uses less digits than its factorization.

657112263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219037424.

The product of its digits is 15120, while the sum is 33.

The square root of 657112263 is about 25634.2010407970. The cubic root of 657112263 is about 869.3870977169.

The spelling of 657112263 in words is "six hundred fifty-seven million, one hundred twelve thousand, two hundred sixty-three".