2565013363 has 8 divisors (see below), whose sum is σ = 2962796400. Its totient is φ = 2194663680.

The previous prime is 2565013349. The next prime is 2565013393. The reversal of 2565013363 is 3633105652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2565013363 - 2²¹ = 2562916211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2565013303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6858138 + ... + 6858511.

It is an arithmetic number, because the mean of its divisors is an integer number (370349550).

Almost surely, 2^2565013363 is an apocalyptic number.

2565013363 is a deficient number, since it is larger than the sum of its proper divisors (397783037).

2565013363 is a wasteful number, since it uses less digits than its factorization.

2565013363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716677.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 2565013363 is about 50645.9609741981. The cubic root of 2565013363 is about 1368.8731677686.

The spelling of 2565013363 in words is "two billion, five hundred sixty-five million, thirteen thousand, three hundred sixty-three".