2565097 has 8 divisors (see below), whose sum is σ = 2625480. Its totient is φ = 2505600.

The previous prime is 2565089. The next prime is 2565103. The reversal of 2565097 is 7905652.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 1679616 = 941^2 + 1296^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2565097 - 2³ = 2565089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2565007) 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, 10893 + ... + 11125.

It is an arithmetic number, because the mean of its divisors is an integer number (328185).

2^2565097 is an apocalyptic number.

It is an amenable number.

2565097 is a deficient number, since it is larger than the sum of its proper divisors (60383).

2565097 is a wasteful number, since it uses less digits than its factorization.

2565097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2565097 is about 1601.5920204596. The cubic root of 2565097 is about 136.8888045820. Note that the first 4 decimals are identical.

The spelling of 2565097 in words is "two million, five hundred sixty-five thousand, ninety-seven".