2565414141 has 4 divisors (see below), whose sum is σ = 3420552192. Its totient is φ = 1710276092.

The previous prime is 2565414139. The next prime is 2565414149. The reversal of 2565414141 is 1414145652.

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 2565414141 - 2¹ = 2565414139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565414149) 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, 427569021 + ... + 427569026.

It is an arithmetic number, because the mean of its divisors is an integer number (855138048).

Almost surely, 2^2565414141 is an apocalyptic number.

It is an amenable number.

2565414141 is a deficient number, since it is larger than the sum of its proper divisors (855138051).

2565414141 is an equidigital number, since it uses as much as digits as its factorization.

2565414141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855138050.

The product of its digits is 19200, while the sum is 33.

The square root of 2565414141 is about 50649.9174826574. The cubic root of 2565414141 is about 1368.9444585836.

Adding to 2565414141 its reverse (1414145652), we get a palindrome (3979559793).

The spelling of 2565414141 in words is "two billion, five hundred sixty-five million, four hundred fourteen thousand, one hundred forty-one".