305244125 has 16 divisors (see below), whose sum is σ = 382090800. Its totient is φ = 243460800.

The previous prime is 305244077. The next prime is 305244127. The reversal of 305244125 is 521442503.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 90592324 + 214651801 = 9518^2 + 14651^2 .

It is not a de Polignac number, because 305244125 - 2²⁴ = 288466909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305244094 and 305244103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305244127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40127 + ... + 47123.

It is an arithmetic number, because the mean of its divisors is an integer number (23880675).

Almost surely, 2^305244125 is an apocalyptic number.

It is an amenable number.

305244125 is a deficient number, since it is larger than the sum of its proper divisors (76846675).

305244125 is an equidigital number, since it uses as much as digits as its factorization.

305244125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361 (or 7351 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 305244125 is about 17471.2370769788. The cubic root of 305244125 is about 673.3110955361.

Adding to 305244125 its reverse (521442503), we get a palindrome (826686628).

The spelling of 305244125 in words is "three hundred five million, two hundred forty-four thousand, one hundred twenty-five".