25140343 has 8 divisors (see below), whose sum is σ = 25770368. Its totient is φ = 24517944.

The previous prime is 25140329. The next prime is 25140359. The reversal of 25140343 is 34304152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25140343 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 (25140383) 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, 5080 + ... + 8722.

It is an arithmetic number, because the mean of its divisors is an integer number (3221296).

Almost surely, 2^25140343 is an apocalyptic number.

25140343 is a deficient number, since it is larger than the sum of its proper divisors (630025).

25140343 is a wasteful number, since it uses less digits than its factorization.

25140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25140343 is about 5014.0146589335. The cubic root of 25140343 is about 292.9479070415.

Adding to 25140343 its reverse (34304152), we get a palindrome (59444495).

The spelling of 25140343 in words is "twenty-five million, one hundred forty thousand, three hundred forty-three".