2523430 has 64 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 768384.

The previous prime is 2523419. The next prime is 2523457. The reversal of 2523430 is 343252.

It is an Ulam number.

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 = 2523398 and 2523407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42741 + ... + 42799.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2523430 is an apocalyptic number.

2523430 is an abundant number, since it is smaller than the sum of its proper divisors (3282650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523430 is a wasteful number, since it uses less digits than its factorization.

2523430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2523430 is about 1588.5307677222. The cubic root of 2523430 is about 136.1435551641.

Adding to 2523430 its reverse (343252), we get a palindrome (2866682).

The spelling of 2523430 in words is "two million, five hundred twenty-three thousand, four hundred thirty".