25142293 has 8 divisors (see below), whose sum is σ = 27551520. Its totient is φ = 22753680.

The previous prime is 25142287. The next prime is 25142297. The reversal of 25142293 is 39224152.

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-25142293 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 (25142297) 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, 2538 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (3443940).

Almost surely, 2^25142293 is an apocalyptic number.

It is an amenable number.

25142293 is a deficient number, since it is larger than the sum of its proper divisors (2409227).

25142293 is a wasteful number, since it uses less digits than its factorization.

25142293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307.

The product of its digits is 4320, while the sum is 28.

The square root of 25142293 is about 5014.2091101190. The cubic root of 25142293 is about 292.9554809722.

The spelling of 25142293 in words is "twenty-five million, one hundred forty-two thousand, two hundred ninety-three".