605140453 has 4 divisors (see below), whose sum is σ = 606936460. Its totient is φ = 603344448.

The previous prime is 605140451. The next prime is 605140457. The reversal of 605140453 is 354041506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 423618724 + 181521729 = 20582^2 + 13473^2 .

It is a cyclic number.

It is not a de Polignac number, because 605140453 - 2¹ = 605140451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605140451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897498 + ... + 898171.

It is an arithmetic number, because the mean of its divisors is an integer number (151734115).

Almost surely, 2^605140453 is an apocalyptic number.

It is an amenable number.

605140453 is a deficient number, since it is larger than the sum of its proper divisors (1796007).

605140453 is a wasteful number, since it uses less digits than its factorization.

605140453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796006.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 605140453 is about 24599.6027000438. The cubic root of 605140453 is about 845.8345002246.

Adding to 605140453 its reverse (354041506), we get a palindrome (959181959).

The spelling of 605140453 in words is "six hundred five million, one hundred forty thousand, four hundred fifty-three".