657531483 has 16 divisors (see below), whose sum is σ = 1034274816. Its totient is φ = 363611520.

The previous prime is 657531481. The next prime is 657531527. The reversal of 657531483 is 384135756.

It is not a de Polignac number, because 657531483 - 2¹ = 657531481 is a prime.

It is a super-2 number, since 2×657531483² = 864695302272358578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (657531481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504366 + ... + 505667.

It is an arithmetic number, because the mean of its divisors is an integer number (64642176).

Almost surely, 2^657531483 is an apocalyptic number.

657531483 is a deficient number, since it is larger than the sum of its proper divisors (376743333).

657531483 is a wasteful number, since it uses less digits than its factorization.

657531483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010074.

The product of its digits is 302400, while the sum is 42.

The square root of 657531483 is about 25642.3767034181. The cubic root of 657531483 is about 869.5719402981.

The spelling of 657531483 in words is "six hundred fifty-seven million, five hundred thirty-one thousand, four hundred eighty-three".