1601450211 has 4 divisors (see below), whose sum is σ = 2135266952. Its totient is φ = 1067633472.

The previous prime is 1601450197. The next prime is 1601450219. The reversal of 1601450211 is 1120541061.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1601450211 - 2¹⁸ = 1601188067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601450219) 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, 266908366 + ... + 266908371.

It is an arithmetic number, because the mean of its divisors is an integer number (533816738).

Almost surely, 2^1601450211 is an apocalyptic number.

1601450211 is a deficient number, since it is larger than the sum of its proper divisors (533816741).

1601450211 is an equidigital number, since it uses as much as digits as its factorization.

1601450211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533816740.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1601450211 is about 40018.1235317200. The cubic root of 1601450211 is about 1169.9603588001.

Adding to 1601450211 its reverse (1120541061), we get a palindrome (2721991272).

The spelling of 1601450211 in words is "one billion, six hundred one million, four hundred fifty thousand, two hundred eleven".