605249501 has 2 divisors, whose sum is σ = 605249502. Its totient is φ = 605249500.

The previous prime is 605249479. The next prime is 605249543. The reversal of 605249501 is 105942506.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546343876 + 58905625 = 23374^2 + 7675^2 .

It is a cyclic number.

It is not a de Polignac number, because 605249501 - 2¹⁴ = 605233117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605249591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302624750 + 302624751.

It is an arithmetic number, because the mean of its divisors is an integer number (302624751).

Almost surely, 2^605249501 is an apocalyptic number.

It is an amenable number.

605249501 is a deficient number, since it is larger than the sum of its proper divisors (1).

605249501 is an equidigital number, since it uses as much as digits as its factorization.

605249501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 605249501 is about 24601.8190587607. The cubic root of 605249501 is about 845.8853044196.

The spelling of 605249501 in words is "six hundred five million, two hundred forty-nine thousand, five hundred one".