605501401 has 2 divisors, whose sum is σ = 605501402. Its totient is φ = 605501400.

The previous prime is 605501399. The next prime is 605501437. The reversal of 605501401 is 104105506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517517001 + 87984400 = 22749^2 + 9380^2 .

It is a cyclic number.

It is not a de Polignac number, because 605501401 - 2¹ = 605501399 is a prime.

It is a super-2 number, since 2×605501401² = 733263893225925602, which contains 22 as substring.

Together with 605501399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (605501441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302750700 + 302750701.

It is an arithmetic number, because the mean of its divisors is an integer number (302750701).

Almost surely, 2^605501401 is an apocalyptic number.

It is an amenable number.

605501401 is a deficient number, since it is larger than the sum of its proper divisors (1).

605501401 is an equidigital number, since it uses as much as digits as its factorization.

605501401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 605501401 is about 24606.9380663259. The cubic root of 605501401 is about 846.0026383753.

Adding to 605501401 its reverse (104105506), we get a palindrome (709606907).

The spelling of 605501401 in words is "six hundred five million, five hundred one thousand, four hundred one".