2565347254 has 4 divisors (see below), whose sum is σ = 3848020884. Its totient is φ = 1282673626.

The previous prime is 2565347219. The next prime is 2565347273. The reversal of 2565347254 is 4527435652.

2565347254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2565347254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641336812 + ... + 641336815.

It is an arithmetic number, because the mean of its divisors is an integer number (962005221).

Almost surely, 2^2565347254 is an apocalyptic number.

2565347254 is a deficient number, since it is larger than the sum of its proper divisors (1282673630).

2565347254 is a wasteful number, since it uses less digits than its factorization.

2565347254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282673629.

The product of its digits is 1008000, while the sum is 43.

The square root of 2565347254 is about 50649.2571909994. The cubic root of 2565347254 is about 1368.9325611694.

The spelling of 2565347254 in words is "two billion, five hundred sixty-five million, three hundred forty-seven thousand, two hundred fifty-four".