2563215 has 8 divisors (see below), whose sum is σ = 4101168.
Its totient is φ = 1367040.
The previous prime is 2563207. The next prime is 2563217. The reversal of 2563215 is 5123652.
Adding to 2563215 its reverse (5123652), we get a palindrome (7686867).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2563215 - 23 = 2563207 is a prime.
It is a super-2 number, since 2×25632152 = 13140142272450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2563217) 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, 85426 + ... + 85455.
It is an arithmetic number, because the mean of its divisors is an integer number (512646).
22563215 is an apocalyptic number.
2563215 is a deficient number, since it is larger than the sum of its proper divisors (1537953).
2563215 is a wasteful number, since it uses less digits than its factorization.
2563215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170889.
The product of its digits is 1800, while the sum is 24.
The square root of 2563215 is about 1601.0043722614.
The cubic root of 2563215 is about 136.8553181600.
The spelling of 2563215 in words is "two million, five hundred sixty-three thousand, two hundred fifteen".