601653541 has 2 divisors, whose sum is σ = 601653542. Its totient is φ = 601653540.

The previous prime is 601653539. The next prime is 601653589. The reversal of 601653541 is 145356106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315062500 + 286591041 = 17750^2 + 16929^2 .

It is a cyclic number.

It is not a de Polignac number, because 601653541 - 2¹ = 601653539 is a prime.

Together with 601653539, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601653641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300826770 + 300826771.

It is an arithmetic number, because the mean of its divisors is an integer number (300826771).

Almost surely, 2^601653541 is an apocalyptic number.

It is an amenable number.

601653541 is a deficient number, since it is larger than the sum of its proper divisors (1).

601653541 is an equidigital number, since it uses as much as digits as its factorization.

601653541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 601653541 is about 24528.6269693189. The cubic root of 601653541 is about 844.2067604560.

The spelling of 601653541 in words is "six hundred one million, six hundred fifty-three thousand, five hundred forty-one".