601551101 has 2 divisors, whose sum is σ = 601551102. Its totient is φ = 601551100.

The previous prime is 601551017. The next prime is 601551107. The reversal of 601551101 is 101155106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581292100 + 20259001 = 24110^2 + 4501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601551101 is a prime.

It is a super-2 number, since 2×601551101² = 723727454228624402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601551107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300775550 + 300775551.

It is an arithmetic number, because the mean of its divisors is an integer number (300775551).

Almost surely, 2^601551101 is an apocalyptic number.

It is an amenable number.

601551101 is a deficient number, since it is larger than the sum of its proper divisors (1).

601551101 is an equidigital number, since it uses as much as digits as its factorization.

601551101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 601551101 is about 24526.5387081015. The cubic root of 601551101 is about 844.1588450344.

The spelling of 601551101 in words is "six hundred one million, five hundred fifty-one thousand, one hundred one".