10403620625 has 10 divisors (see below), whose sum is σ = 13000365114. Its totient is φ = 8322896000.

The previous prime is 10403620621. The next prime is 10403620663. The reversal of 10403620625 is 52602630401.

It can be written as a sum of positive squares in 5 ways, for example, as 2912545024 + 7491075601 = 53968^2 + 86551^2 .

It is not a de Polignac number, because 10403620625 - 2² = 10403620621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10403620621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8322272 + ... + 8323521.

Almost surely, 2^10403620625 is an apocalyptic number.

It is an amenable number.

10403620625 is a deficient number, since it is larger than the sum of its proper divisors (2596744489).

10403620625 is an frugal number, since it uses more digits than its factorization.

10403620625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16645813 (or 16645798 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 10403620625 in words is "ten billion, four hundred three million, six hundred twenty thousand, six hundred twenty-five".