25140230 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 9473760.

The previous prime is 25140223. The next prime is 25140239. The reversal of 25140230 is 3204152.

It is a junction number, because it is equal to n+sod(n) for n = 25140199 and 25140208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25140239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58115 + ... + 58545.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^25140230 is an apocalyptic number.

25140230 is a deficient number, since it is larger than the sum of its proper divisors (22759930).

25140230 is a wasteful number, since it uses less digits than its factorization.

25140230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25140230 is about 5014.0033905054. The cubic root of 25140230 is about 292.9474681299.

Adding to 25140230 its reverse (3204152), we get a palindrome (28344382).

The spelling of 25140230 in words is "twenty-five million, one hundred forty thousand, two hundred thirty".