305250401 has 2 divisors, whose sum is σ = 305250402. Its totient is φ = 305250400.

The previous prime is 305250389. The next prime is 305250427. The reversal of 305250401 is 104052503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296700625 + 8549776 = 17225^2 + 2924^2 .

It is an emirp because it is prime and its reverse (104052503) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305250401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (305259401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152625200 + 152625201.

It is an arithmetic number, because the mean of its divisors is an integer number (152625201).

Almost surely, 2^305250401 is an apocalyptic number.

It is an amenable number.

305250401 is a deficient number, since it is larger than the sum of its proper divisors (1).

305250401 is an equidigital number, since it uses as much as digits as its factorization.

305250401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 305250401 is about 17471.4166855467. The cubic root of 305250401 is about 673.3157100628.

The spelling of 305250401 in words is "three hundred five million, two hundred fifty thousand, four hundred one".