601306649 has 4 divisors (see below), whose sum is σ = 601482000. Its totient is φ = 601131300.

The previous prime is 601306639. The next prime is 601306663. The reversal of 601306649 is 946603106.

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 a cyclic number.

It is not a de Polignac number, because 601306649 - 2¹² = 601302553 is a prime.

It is a super-3 number, since 3×601306649³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601306639) 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, 82427 + ... + 89424.

It is an arithmetic number, because the mean of its divisors is an integer number (150370500).

Almost surely, 2^601306649 is an apocalyptic number.

It is an amenable number.

601306649 is a deficient number, since it is larger than the sum of its proper divisors (175351).

601306649 is a wasteful number, since it uses less digits than its factorization.

601306649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175350.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 601306649 is about 24521.5547834961. The cubic root of 601306649 is about 844.0444827487.

The spelling of 601306649 in words is "six hundred one million, three hundred six thousand, six hundred forty-nine".