601247381 has 16 divisors (see below), whose sum is σ = 765855360. Its totient is φ = 459509760.

The previous prime is 601247377. The next prime is 601247389. The reversal of 601247381 is 183742106.

It is a cyclic number.

It is not a de Polignac number, because 601247381 - 2² = 601247377 is a prime.

It is a super-2 number, since 2×601247381² = 722996826318718322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601247389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130700 + ... + 135221.

It is an arithmetic number, because the mean of its divisors is an integer number (47865960).

Almost surely, 2^601247381 is an apocalyptic number.

It is an amenable number.

601247381 is a deficient number, since it is larger than the sum of its proper divisors (164607979).

601247381 is a wasteful number, since it uses less digits than its factorization.

601247381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265964.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 601247381 is about 24520.3462659074. The cubic root of 601247381 is about 844.0167506577.

Adding to 601247381 its reverse (183742106), we get a palindrome (784989487).

The spelling of 601247381 in words is "six hundred one million, two hundred forty-seven thousand, three hundred eighty-one".