626353530625 has 15 divisors (see below), whose sum is σ = 782716096767. Its totient is φ = 501066996000.

The previous prime is 626353530613. The next prime is 626353530641. The reversal of 626353530625 is 526035353626.

The square root of 626353530625 is 791425.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 487361760769 + 138991769856 = 698113^2 + 372816^2 .

It is not a de Polignac number, because 626353530625 - 2¹⁵ = 626353497857 is a prime.

It is a Duffinian 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 14 ways as a sum of consecutive naturals, for example, 19769797 + ... + 19801453.

Almost surely, 2^626353530625 is an apocalyptic number.

626353530625 is the 791425-th square number.

626353530625 is the 395713-rd centered octagonal number.

It is an amenable number.

626353530625 is a deficient number, since it is larger than the sum of its proper divisors (156362566142).

626353530625 is an frugal number, since it uses more digits than its factorization.

626353530625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63334 (or 31662 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 46.

The spelling of 626353530625 in words is "six hundred twenty-six billion, three hundred fifty-three million, five hundred thirty thousand, six hundred twenty-five".