540253369 has 4 divisors (see below), whose sum is σ = 540389520. Its totient is φ = 540117220.

The previous prime is 540253349. The next prime is 540253397. The reversal of 540253369 is 963352045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540253369 - 2²³ = 531864761 is a prime.

It is a super-2 number, since 2×540253369² = 583747405431700322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540253309) 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, 61939 + ... + 70120.

It is an arithmetic number, because the mean of its divisors is an integer number (135097380).

Almost surely, 2^540253369 is an apocalyptic number.

It is an amenable number.

540253369 is a deficient number, since it is larger than the sum of its proper divisors (136151).

540253369 is a wasteful number, since it uses less digits than its factorization.

540253369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136150.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 540253369 is about 23243.3510707901. The cubic root of 540253369 is about 814.4526260416.

The spelling of 540253369 in words is "five hundred forty million, two hundred fifty-three thousand, three hundred sixty-nine".