601438013 has 4 divisors (see below), whose sum is σ = 656114208. Its totient is φ = 546761820.

The previous prime is 601437973. The next prime is 601438039. The reversal of 601438013 is 310834106.

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 not a de Polignac number, because 601438013 - 2¹⁰ = 601436989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601438813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27338081 + ... + 27338102.

It is an arithmetic number, because the mean of its divisors is an integer number (164028552).

Almost surely, 2^601438013 is an apocalyptic number.

It is an amenable number.

601438013 is a deficient number, since it is larger than the sum of its proper divisors (54676195).

601438013 is a wasteful number, since it uses less digits than its factorization.

601438013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54676194.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 601438013 is about 24524.2331786337. The cubic root of 601438013 is about 844.1059427854.

The spelling of 601438013 in words is "six hundred one million, four hundred thirty-eight thousand, thirteen".