305225541 has 6 divisors (see below), whose sum is σ = 440881350. Its totient is φ = 203483688.

The previous prime is 305225539. The next prime is 305225579. The reversal of 305225541 is 145522503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200081025 + 105144516 = 14145^2 + 10254^2 .

It is not a de Polignac number, because 305225541 - 2¹ = 305225539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305225941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16956966 + ... + 16956983.

It is an arithmetic number, because the mean of its divisors is an integer number (73480225).

Almost surely, 2^305225541 is an apocalyptic number.

It is an amenable number.

305225541 is a deficient number, since it is larger than the sum of its proper divisors (135655809).

305225541 is a wasteful number, since it uses less digits than its factorization.

305225541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33913955 (or 33913952 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 305225541 is about 17470.7052233160. The cubic root of 305225541 is about 673.2974309899.

It can be divided in two parts, 30522 and 5541, that added together give a palindrome (36063).

The spelling of 305225541 in words is "three hundred five million, two hundred twenty-five thousand, five hundred forty-one".