900050401 has 4 divisors (see below), whose sum is σ = 900129712. Its totient is φ = 899971092.

The previous prime is 900050381. The next prime is 900050413. The reversal of 900050401 is 104050009.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 900050401 - 2²¹ = 897953249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900050461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19071 + ... + 46516.

It is an arithmetic number, because the mean of its divisors is an integer number (225032428).

Almost surely, 2^900050401 is an apocalyptic number.

It is an amenable number.

900050401 is a deficient number, since it is larger than the sum of its proper divisors (79311).

900050401 is a wasteful number, since it uses less digits than its factorization.

900050401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79310.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 900050401 is about 30000.8400049065. The cubic root of 900050401 is about 965.5074070953.

The spelling of 900050401 in words is "nine hundred million, fifty thousand, four hundred one".