203468655625 has 15 divisors (see below), whose sum is σ = 254268524433. Its totient is φ = 162765903000.

The previous prime is 203468655619. The next prime is 203468655659. The reversal of 203468655625 is 526556864302.

It is a happy number.

The square root of 203468655625 is 451075.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15951942601 + 187516713024 = 126301^2 + 433032^2 .

It is not a de Polignac number, because 203468655625 - 2²¹ = 203466558473 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11267854 + ... + 11285896.

Almost surely, 2^203468655625 is an apocalyptic number.

203468655625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

203468655625 is the 451075-th square number.

203468655625 is the 225538-th centered octagonal number.

It is an amenable number.

203468655625 is a deficient number, since it is larger than the sum of its proper divisors (50799868808).

203468655625 is an frugal number, since it uses more digits than its factorization.

203468655625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36106 (or 18048 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 203468655625 in words is "two hundred three billion, four hundred sixty-eight million, six hundred fifty-five thousand, six hundred twenty-five".