305505401 has 8 divisors (see below), whose sum is σ = 316369800. Its totient is φ = 294663040.

The previous prime is 305505383. The next prime is 305505407. The reversal of 305505401 is 104505503.

It can be written as a sum of positive squares in 4 ways, for example, as 31933801 + 273571600 = 5651^2 + 16540^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305505401 - 2²² = 301311097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305505407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25805 + ... + 35733.

It is an arithmetic number, because the mean of its divisors is an integer number (39546225).

Almost surely, 2^305505401 is an apocalyptic number.

It is an amenable number.

305505401 is a deficient number, since it is larger than the sum of its proper divisors (10864399).

305505401 is a wasteful number, since it uses less digits than its factorization.

305505401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 305505401 is about 17478.7127958554. The cubic root of 305505401 is about 673.5031493120.

The spelling of 305505401 in words is "three hundred five million, five hundred five thousand, four hundred one".