601411621 has 2 divisors, whose sum is σ = 601411622. Its totient is φ = 601411620.

The previous prime is 601411571. The next prime is 601411633. The reversal of 601411621 is 126114106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600005025 + 1406596 = 24495^2 + 1186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601411621 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 601411592 and 601411601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601414621) 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, 300705810 + 300705811.

It is an arithmetic number, because the mean of its divisors is an integer number (300705811).

Almost surely, 2^601411621 is an apocalyptic number.

It is an amenable number.

601411621 is a deficient number, since it is larger than the sum of its proper divisors (1).

601411621 is an equidigital number, since it uses as much as digits as its factorization.

601411621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 601411621 is about 24523.6950927057. The cubic root of 601411621 is about 844.0935957275.

Adding to 601411621 its reverse (126114106), we get a palindrome (727525727).

The spelling of 601411621 in words is "six hundred one million, four hundred eleven thousand, six hundred twenty-one".