2531230 has 16 divisors (see below), whose sum is σ = 4906944. Its totient is φ = 934560.

The previous prime is 2531209. The next prime is 2531233. The reversal of 2531230 is 321352.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531233) 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, 9606 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (306684).

2^2531230 is an apocalyptic number.

2531230 is a deficient number, since it is larger than the sum of its proper divisors (2375714).

2531230 is a wasteful number, since it uses less digits than its factorization.

2531230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19491.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2531230 is about 1590.9839722637. The cubic root of 2531230 is about 136.2836855241.

Adding to 2531230 its reverse (321352), we get a palindrome (2852582).

The spelling of 2531230 in words is "two million, five hundred thirty-one thousand, two hundred thirty".