656250625041 has 32 divisors (see below), whose sum is σ = 969324160896. Its totient is φ = 391613760000.

The previous prime is 656250625003. The next prime is 656250625057. The reversal of 656250625041 is 140526052656.

It is a happy number.

It is not a de Polignac number, because 656250625041 - 2¹⁸ = 656250362897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 656250624984 and 656250625002.

It is not an unprimeable number, because it can be changed into a prime (656250625061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59365 + ... + 1147181.

It is an arithmetic number, because the mean of its divisors is an integer number (30291380028).

Almost surely, 2^656250625041 is an apocalyptic number.

It is an amenable number.

656250625041 is a deficient number, since it is larger than the sum of its proper divisors (313073535855).

656250625041 is a wasteful number, since it uses less digits than its factorization.

656250625041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088113.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 656250625041 its reverse (140526052656), we get a palindrome (796776677697).

The spelling of 656250625041 in words is "six hundred fifty-six billion, two hundred fifty million, six hundred twenty-five thousand, forty-one".