601366251 has 4 divisors (see below), whose sum is σ = 801821672. Its totient is φ = 400910832.

The previous prime is 601366219. The next prime is 601366273. The reversal of 601366251 is 152663106.

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

It is not a de Polignac number, because 601366251 - 2⁵ = 601366219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601366201) 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, 100227706 + ... + 100227711.

It is an arithmetic number, because the mean of its divisors is an integer number (200455418).

Almost surely, 2^601366251 is an apocalyptic number.

601366251 is a deficient number, since it is larger than the sum of its proper divisors (200455421).

601366251 is a wasteful number, since it uses less digits than its factorization.

601366251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200455420.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 601366251 is about 24522.7700515256. The cubic root of 601366251 is about 844.0723692839.

The spelling of 601366251 in words is "six hundred one million, three hundred sixty-six thousand, two hundred fifty-one".