601501650 has 96 divisors (see below), whose sum is σ = 1591773120. Its totient is φ = 149790720.

The previous prime is 601501643. The next prime is 601501657. The reversal of 601501650 is 56105106.

It is an interprime number because it is at equal distance from previous prime (601501643) and next prime (601501657).

It is a self number, because there is not a number n which added to its sum of digits gives 601501650.

It is not an unprimeable number, because it can be changed into a prime (601501657) 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 47 ways as a sum of consecutive naturals, for example, 353602 + ... + 355298.

It is an arithmetic number, because the mean of its divisors is an integer number (16580970).

Almost surely, 2^601501650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601501650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795886560).

601501650 is an abundant number, since it is smaller than the sum of its proper divisors (990271470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601501650 is a wasteful number, since it uses less digits than its factorization.

601501650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 601501650 is about 24525.5305753005. The cubic root of 601501650 is about 844.1357128112.

Adding to 601501650 its reverse (56105106), we get a palindrome (657606756).

The spelling of 601501650 in words is "six hundred one million, five hundred one thousand, six hundred fifty".