657481103 has 4 divisors (see below), whose sum is σ = 696156480. Its totient is φ = 618805728.

The previous prime is 657481067. The next prime is 657481109. The reversal of 657481103 is 301184756.

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 657481103 - 2⁶ = 657481039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657481109) 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, 19337663 + ... + 19337696.

It is an arithmetic number, because the mean of its divisors is an integer number (174039120).

Almost surely, 2^657481103 is an apocalyptic number.

657481103 is a deficient number, since it is larger than the sum of its proper divisors (38675377).

657481103 is a wasteful number, since it uses less digits than its factorization.

657481103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38675376.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 657481103 is about 25641.3943263622. The cubic root of 657481103 is about 869.5497308909.

The spelling of 657481103 in words is "six hundred fifty-seven million, four hundred eighty-one thousand, one hundred three".