25143412 has 24 divisors (see below), whose sum is σ = 51238656. Its totient is φ = 10571808.

The previous prime is 25143389. The next prime is 25143413. The reversal of 25143412 is 21434152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25143413) 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, 6988 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (2134944).

Almost surely, 2^25143412 is an apocalyptic number.

It is an amenable number.

25143412 is an abundant number, since it is smaller than the sum of its proper divisors (26095244).

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

25143412 is a wasteful number, since it uses less digits than its factorization.

25143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17007 (or 17005 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 25143412 is about 5014.3206917787. The cubic root of 25143412 is about 292.9598270664.

Adding to 25143412 its reverse (21434152), we get a palindrome (46577564).

The spelling of 25143412 in words is "twenty-five million, one hundred forty-three thousand, four hundred twelve".