2560930 has 8 divisors (see below), whose sum is σ = 4609692. Its totient is φ = 1024368.

The previous prime is 2560927. The next prime is 2560937. The reversal of 2560930 is 390652.

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 426409 = 1461^2 + 653^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2560895 and 2560904.

It is not an unprimeable number, because it can be changed into a prime (2560937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128037 + ... + 128056.

2^2560930 is an apocalyptic number.

2560930 is a deficient number, since it is larger than the sum of its proper divisors (2048762).

2560930 is a wasteful number, since it uses less digits than its factorization.

2560930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256100.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2560930 is about 1600.2905986101. The cubic root of 2560930 is about 136.8146391206.

The spelling of 2560930 in words is "two million, five hundred sixty thousand, nine hundred thirty".