601533421 has 4 divisors (see below), whose sum is σ = 627687072. Its totient is φ = 575379772.

The previous prime is 601533403. The next prime is 601533473. The reversal of 601533421 is 124335106.

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.

It is a cyclic number.

It is not a de Polignac number, because 601533421 - 2⁹ = 601532909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601533221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13076791 + ... + 13076836.

It is an arithmetic number, because the mean of its divisors is an integer number (156921768).

Almost surely, 2^601533421 is an apocalyptic number.

It is an amenable number.

601533421 is a deficient number, since it is larger than the sum of its proper divisors (26153651).

601533421 is a wasteful number, since it uses less digits than its factorization.

601533421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26153650.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 601533421 is about 24526.1782795445. The cubic root of 601533421 is about 844.1505748173.

Adding to 601533421 its reverse (124335106), we get a palindrome (725868527).

The spelling of 601533421 in words is "six hundred one million, five hundred thirty-three thousand, four hundred twenty-one".