601452521 has 4 divisors (see below), whose sum is σ = 601501572. Its totient is φ = 601403472.

The previous prime is 601452491. The next prime is 601452529. The reversal of 601452521 is 125254106.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 360582121 + 240870400 = 18989^2 + 15520^2 .

It is a cyclic number.

It is not a de Polignac number, because 601452521 - 2¹⁴ = 601436137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601452529) 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, 12035 + ... + 36711.

It is an arithmetic number, because the mean of its divisors is an integer number (150375393).

Almost surely, 2^601452521 is an apocalyptic number.

It is an amenable number.

601452521 is a deficient number, since it is larger than the sum of its proper divisors (49051).

601452521 is a wasteful number, since it uses less digits than its factorization.

601452521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49050.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 601452521 is about 24524.5289659149. The cubic root of 601452521 is about 844.1127299579.

The spelling of 601452521 in words is "six hundred one million, four hundred fifty-two thousand, five hundred twenty-one".