305420041 has 4 divisors (see below), whose sum is σ = 321494800. Its totient is φ = 289345284.

The previous prime is 305420039. The next prime is 305420047. The reversal of 305420041 is 140024503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 305420041 - 2¹ = 305420039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 16074739 = 305420041 / (3 + 0 + 5 + 4 + 2 + 0 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305420047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8037351 + ... + 8037388.

It is an arithmetic number, because the mean of its divisors is an integer number (80373700).

Almost surely, 2^305420041 is an apocalyptic number.

It is an amenable number.

305420041 is a deficient number, since it is larger than the sum of its proper divisors (16074759).

305420041 is a wasteful number, since it uses less digits than its factorization.

305420041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16074758.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 305420041 is about 17476.2707978562. The cubic root of 305420041 is about 673.4404165596.

Adding to 305420041 its reverse (140024503), we get a palindrome (445444544).

The spelling of 305420041 in words is "three hundred five million, four hundred twenty thousand, forty-one".