651260416525 has 12 divisors (see below), whose sum is σ = 807744488544. Its totient is φ = 520891190000.

The previous prime is 651260416519. The next prime is 651260416553. The reversal of 651260416525 is 525614062156.

It is not a de Polignac number, because 651260416525 - 2⁵ = 651260416493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2815081 + ... + 3037630.

It is an arithmetic number, because the mean of its divisors is an integer number (67312040712).

Almost surely, 2^651260416525 is an apocalyptic number.

It is an amenable number.

651260416525 is a deficient number, since it is larger than the sum of its proper divisors (156484072019).

651260416525 is a wasteful number, since it uses less digits than its factorization.

651260416525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857172 (or 5857167 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 651260416525 in words is "six hundred fifty-one billion, two hundred sixty million, four hundred sixteen thousand, five hundred twenty-five".