4254541565 has 4 divisors (see below), whose sum is σ = 5105449884. Its totient is φ = 3403633248.

The previous prime is 4254541559. The next prime is 4254541609. The reversal of 4254541565 is 5651454524.

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 2802855364 + 1451686201 = 52942^2 + 38101^2 .

It is a cyclic number.

It is not a de Polignac number, because 4254541565 - 2¹⁰ = 4254540541 is a prime.

It is a super-2 number, since 2×4254541565² = 36202247856625298450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425454152 + ... + 425454161.

It is an arithmetic number, because the mean of its divisors is an integer number (1276362471).

Almost surely, 2^4254541565 is an apocalyptic number.

It is an amenable number.

4254541565 is a deficient number, since it is larger than the sum of its proper divisors (850908319).

4254541565 is an equidigital number, since it uses as much as digits as its factorization.

4254541565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850908318.

The product of its digits is 480000, while the sum is 41.

The square root of 4254541565 is about 65226.8469650343. The cubic root of 4254541565 is about 1620.3826720083.

The spelling of 4254541565 in words is "four billion, two hundred fifty-four million, five hundred forty-one thousand, five hundred sixty-five".