601711261 has 8 divisors (see below), whose sum is σ = 606798144. Its totient is φ = 596634720.

The previous prime is 601711223. The next prime is 601711301. The reversal of 601711261 is 162117106.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 601711261 - 2¹⁹ = 601186973 is a prime.

It is a super-2 number, since 2×601711261² = 724112883228420242, 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 (601711861) 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 7 ways as a sum of consecutive naturals, for example, 151896 + ... + 155806.

It is an arithmetic number, because the mean of its divisors is an integer number (75849768).

Almost surely, 2^601711261 is an apocalyptic number.

It is an amenable number.

601711261 is a deficient number, since it is larger than the sum of its proper divisors (5086883).

601711261 is a wasteful number, since it uses less digits than its factorization.

601711261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 601711261 is about 24529.8035255075. The cubic root of 601711261 is about 844.2337560898.

Adding to 601711261 its reverse (162117106), we get a palindrome (763828367).

The spelling of 601711261 in words is "six hundred one million, seven hundred eleven thousand, two hundred sixty-one".