657045002 has 32 divisors (see below), whose sum is σ = 1096416000. Its totient is φ = 293717248.

The previous prime is 657044987. The next prime is 657045043. The reversal of 657045002 is 200540756.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113699 + ... + 119337.

It is an arithmetic number, because the mean of its divisors is an integer number (34263000).

Almost surely, 2^657045002 is an apocalyptic number.

657045002 is a deficient number, since it is larger than the sum of its proper divisors (439370998).

657045002 is a wasteful number, since it uses less digits than its factorization.

657045002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 657045002 is about 25632.8890685385. The cubic root of 657045002 is about 869.3574336630.

Adding to 657045002 its reverse (200540756), we get a palindrome (857585758).

The spelling of 657045002 in words is "six hundred fifty-seven million, forty-five thousand, two".