25134143 has 16 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 22813056.

The previous prime is 25134139. The next prime is 25134167. The reversal of 25134143 is 34143152.

It is a cyclic number.

It is not a de Polignac number, because 25134143 - 2² = 25134139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134113) 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, 66128 + ... + 66506.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^25134143 is an apocalyptic number.

25134143 is a deficient number, since it is larger than the sum of its proper divisors (2444737).

25134143 is a wasteful number, since it uses less digits than its factorization.

25134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its digits is 1440, while the sum is 23.

The square root of 25134143 is about 5013.3963537706. The cubic root of 25134143 is about 292.9238232233.

Adding to 25134143 its reverse (34143152), we get a palindrome (59277295).

Subtracting 25134143 from its reverse (34143152), we obtain a palindrome (9009009).

The spelling of 25134143 in words is "twenty-five million, one hundred thirty-four thousand, one hundred forty-three".