601634321 has 2 divisors, whose sum is σ = 601634322. Its totient is φ = 601634320.

The previous prime is 601634317. The next prime is 601634389. The reversal of 601634321 is 123436106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587383696 + 14250625 = 24236^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 601634321 - 2² = 601634317 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (601630321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300817160 + 300817161.

It is an arithmetic number, because the mean of its divisors is an integer number (300817161).

Almost surely, 2^601634321 is an apocalyptic number.

It is an amenable number.

601634321 is a deficient number, since it is larger than the sum of its proper divisors (1).

601634321 is an equidigital number, since it uses as much as digits as its factorization.

601634321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 601634321 is about 24528.2351790747. The cubic root of 601634321 is about 844.1977708822.

The spelling of 601634321 in words is "six hundred one million, six hundred thirty-four thousand, three hundred twenty-one".