2573826565 has 8 divisors (see below), whose sum is σ = 3099990528. Its totient is φ = 2051462160.

The previous prime is 2573826551. The next prime is 2573826581. The reversal of 2573826565 is 5656283752.

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

It is not a de Polignac number, because 2573826565 - 2¹⁷ = 2573695493 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 948397 + ... + 951106.

It is an arithmetic number, because the mean of its divisors is an integer number (387498816).

Almost surely, 2^2573826565 is an apocalyptic number.

It is an amenable number.

2573826565 is a deficient number, since it is larger than the sum of its proper divisors (526163963).

2573826565 is a wasteful number, since it uses less digits than its factorization.

2573826565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899779.

The product of its digits is 3024000, while the sum is 49.

The square root of 2573826565 is about 50732.8943093138. The cubic root of 2573826565 is about 1370.4391589426.

The spelling of 2573826565 in words is "two billion, five hundred seventy-three million, eight hundred twenty-six thousand, five hundred sixty-five".