605254681 has 2 divisors, whose sum is σ = 605254682. Its totient is φ = 605254680.

The previous prime is 605254651. The next prime is 605254693. The reversal of 605254681 is 186452506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583947225 + 21307456 = 24165^2 + 4616^2 .

It is a cyclic number.

It is not a de Polignac number, because 605254681 - 2⁵ = 605254649 is a prime.

It is a super-2 number, since 2×605254681² = 732666457744823522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 605254681.

It is not a weakly prime, because it can be changed into another prime (605254651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302627340 + 302627341.

It is an arithmetic number, because the mean of its divisors is an integer number (302627341).

Almost surely, 2^605254681 is an apocalyptic number.

It is an amenable number.

605254681 is a deficient number, since it is larger than the sum of its proper divisors (1).

605254681 is an equidigital number, since it uses as much as digits as its factorization.

605254681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 605254681 is about 24601.9243353035. The cubic root of 605254681 is about 845.8877175695.

The spelling of 605254681 in words is "six hundred five million, two hundred fifty-four thousand, six hundred eighty-one".