223545325 has 24 divisors (see below), whose sum is σ = 300683880. Its totient is φ = 164198400.

The previous prime is 223545313. The next prime is 223545337. The reversal of 223545325 is 523545322.

It is an interprime number because it is at equal distance from previous prime (223545313) and next prime (223545337).

It can be written as a sum of positive squares in 12 ways, for example, as 54597321 + 168948004 = 7389^2 + 12998^2 .

It is not a de Polignac number, because 223545325 - 2⁵ = 223545293 is a prime.

It is a congruent 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, 11011 + ... + 23839.

It is an arithmetic number, because the mean of its divisors is an integer number (12528495).

Almost surely, 2^223545325 is an apocalyptic number.

223545325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223545325 is a deficient number, since it is larger than the sum of its proper divisors (77138555).

223545325 is a wasteful number, since it uses less digits than its factorization.

223545325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12897 (or 12892 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 223545325 is about 14951.4322056450. The cubic root of 223545325 is about 606.9066050000.

The spelling of 223545325 in words is "two hundred twenty-three million, five hundred forty-five thousand, three hundred twenty-five".