601215401 has 2 divisors, whose sum is σ = 601215402. Its totient is φ = 601215400.

The previous prime is 601215389. The next prime is 601215427. The reversal of 601215401 is 104512106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 588111001 + 13104400 = 24251^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 601215401 - 2⁶ = 601215337 is a prime.

It is a super-2 number, since 2×601215401² = 722919916799181602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (601415401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300607700 + 300607701.

It is an arithmetic number, because the mean of its divisors is an integer number (300607701).

Almost surely, 2^601215401 is an apocalyptic number.

It is an amenable number.

601215401 is a deficient number, since it is larger than the sum of its proper divisors (1).

601215401 is an equidigital number, since it uses as much as digits as its factorization.

601215401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 601215401 is about 24519.6941457270. The cubic root of 601215401 is about 844.0017861383.

Adding to 601215401 its reverse (104512106), we get a palindrome (705727507).

The spelling of 601215401 in words is "six hundred one million, two hundred fifteen thousand, four hundred one".