2565303142 has 4 divisors (see below), whose sum is σ = 3847954716. Its totient is φ = 1282651570.

The previous prime is 2565303133. The next prime is 2565303149. The reversal of 2565303142 is 2413035652.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565303149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641325784 + ... + 641325787.

It is an arithmetic number, because the mean of its divisors is an integer number (961988679).

Almost surely, 2^2565303142 is an apocalyptic number.

2565303142 is a deficient number, since it is larger than the sum of its proper divisors (1282651574).

2565303142 is a wasteful number, since it uses less digits than its factorization.

2565303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282651573.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2565303142 is about 50648.8217237084. The cubic root of 2565303142 is about 1368.9247147074.

Adding to 2565303142 its reverse (2413035652), we get a palindrome (4978338794).

The spelling of 2565303142 in words is "two billion, five hundred sixty-five million, three hundred three thousand, one hundred forty-two".