305542401 has 8 divisors (see below), whose sum is σ = 428831520. Its totient is φ = 192974112.

The previous prime is 305542397. The next prime is 305542409. The reversal of 305542401 is 104245503.

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

It is not a de Polignac number, because 305542401 - 2² = 305542397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305542409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680140 + ... + 2680253.

It is an arithmetic number, because the mean of its divisors is an integer number (53603940).

Almost surely, 2^305542401 is an apocalyptic number.

It is an amenable number.

305542401 is a deficient number, since it is larger than the sum of its proper divisors (123289119).

305542401 is a wasteful number, since it uses less digits than its factorization.

305542401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360415.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 305542401 is about 17479.7711941547. The cubic root of 305542401 is about 673.5303377135.

Adding to 305542401 its reverse (104245503), we get a palindrome (409787904).

The spelling of 305542401 in words is "three hundred five million, five hundred forty-two thousand, four hundred one".