2565129 has 8 divisors (see below), whose sum is σ = 3908800. Its totient is φ = 1465776.

The previous prime is 2565109. The next prime is 2565139. The reversal of 2565129 is 9215652.

It is a happy number.

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

It is not a de Polignac number, because 2565129 - 2²¹ = 467977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2565096 and 2565105.

It is not an unprimeable number, because it can be changed into a prime (2565109) 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, 61054 + ... + 61095.

It is an arithmetic number, because the mean of its divisors is an integer number (488600).

2^2565129 is an apocalyptic number.

It is an amenable number.

2565129 is a deficient number, since it is larger than the sum of its proper divisors (1343671).

2565129 is a wasteful number, since it uses less digits than its factorization.

2565129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122159.

The product of its digits is 5400, while the sum is 30.

The square root of 2565129 is about 1601.6020104882. The cubic root of 2565129 is about 136.8893738163.

The spelling of 2565129 in words is "two million, five hundred sixty-five thousand, one hundred twenty-nine".