205532334503225 has 24 divisors (see below), whose sum is σ = 258136102820568. Its totient is φ = 162320853657600.

The previous prime is 205532334503137. The next prime is 205532334503269. The reversal of 205532334503225 is 522305433235502.

It can be written as a sum of positive squares in 12 ways, for example, as 3631879251001 + 201900455252224 = 1905749^2 + 14209168^2 .

It is not a de Polignac number, because 205532334503225 - 2²⁰ = 205532333454649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105782366 + ... + 107707815.

It is an arithmetic number, because the mean of its divisors is an integer number (10755670950857).

Almost surely, 2^{205532334503225} is an apocalyptic number.

205532334503225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205532334503225 is a deficient number, since it is larger than the sum of its proper divisors (52603768317343).

205532334503225 is a wasteful number, since it uses less digits than its factorization.

205532334503225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213490685 (or 213490680 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 44.

Adding to 205532334503225 its reverse (522305433235502), we get a palindrome (727837767738727).

The spelling of 205532334503225 in words is "two hundred five trillion, five hundred thirty-two billion, three hundred thirty-four million, five hundred three thousand, two hundred twenty-five".