5340561253 has 4 divisors (see below), whose sum is σ = 5341242060. Its totient is φ = 5339880448.

The previous prime is 5340561251. The next prime is 5340561269. The reversal of 5340561253 is 3521650435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3521650435 = 5 ⋅704330087.

It can be written as a sum of positive squares in 2 ways, for example, as 4749001569 + 591559684 = 68913^2 + 24322^2 .

It is a cyclic number.

It is not a de Polignac number, because 5340561253 - 2¹ = 5340561251 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 (5340561251) 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, 328498 + ... + 344371.

It is an arithmetic number, because the mean of its divisors is an integer number (1335310515).

Almost surely, 2^5340561253 is an apocalyptic number.

It is an amenable number.

5340561253 is a deficient number, since it is larger than the sum of its proper divisors (680807).

5340561253 is an equidigital number, since it uses as much as digits as its factorization.

5340561253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680806.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 5340561253 is about 73079.1437620885. The cubic root of 5340561253 is about 1747.9498443692.

The spelling of 5340561253 in words is "five billion, three hundred forty million, five hundred sixty-one thousand, two hundred fifty-three".