601601851 has 2 divisors, whose sum is σ = 601601852. Its totient is φ = 601601850.

The previous prime is 601601809. The next prime is 601601873. The reversal of 601601851 is 158106106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 601601851 - 2¹⁵ = 601569083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (601601801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300800925 + 300800926.

It is an arithmetic number, because the mean of its divisors is an integer number (300800926).

Almost surely, 2^601601851 is an apocalyptic number.

601601851 is a deficient number, since it is larger than the sum of its proper divisors (1).

601601851 is an equidigital number, since it uses as much as digits as its factorization.

601601851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 601601851 is about 24527.5732798824. The cubic root of 601601851 is about 844.1825835866.

Adding to 601601851 its reverse (158106106), we get a palindrome (759707957).

The spelling of 601601851 in words is "six hundred one million, six hundred one thousand, eight hundred fifty-one".