656250625003 has 2 divisors, whose sum is σ = 656250625004. Its totient is φ = 656250625002.

The previous prime is 656250624989. The next prime is 656250625057. The reversal of 656250625003 is 300526052656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 656250625003 - 2⁵ = 656250624971 is a prime.

It is not a weakly prime, because it can be changed into another prime (656250625103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328125312501 + 328125312502.

It is an arithmetic number, because the mean of its divisors is an integer number (328125312502).

Almost surely, 2^656250625003 is an apocalyptic number.

656250625003 is a deficient number, since it is larger than the sum of its proper divisors (1).

656250625003 is an equidigital number, since it uses as much as digits as its factorization.

656250625003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 656250625003 its reverse (300526052656), we get a palindrome (956776677659).

The spelling of 656250625003 in words is "six hundred fifty-six billion, two hundred fifty million, six hundred twenty-five thousand, three".