2505430 has 8 divisors (see below), whose sum is σ = 4509792. Its totient is φ = 1002168.

The previous prime is 2505421. The next prime is 2505457. The reversal of 2505430 is 345052.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2505398 and 2505407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125262 + ... + 125281.

It is an arithmetic number, because the mean of its divisors is an integer number (563724).

2^2505430 is an apocalyptic number.

2505430 is a deficient number, since it is larger than the sum of its proper divisors (2004362).

2505430 is a wasteful number, since it uses less digits than its factorization.

2505430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250550.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2505430 is about 1582.8550154705. The cubic root of 2505430 is about 135.8190716916.

The spelling of 2505430 in words is "two million, five hundred five thousand, four hundred thirty".