25230442 has 8 divisors (see below), whose sum is σ = 39837600. Its totient is φ = 11951244.

The previous prime is 25230437. The next prime is 25230449. The reversal of 25230442 is 24403252.

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

It is not an unprimeable number, because it can be changed into a prime (25230449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331942 + ... + 332017.

It is an arithmetic number, because the mean of its divisors is an integer number (4979700).

Almost surely, 2^25230442 is an apocalyptic number.

25230442 is a deficient number, since it is larger than the sum of its proper divisors (14607158).

25230442 is a wasteful number, since it uses less digits than its factorization.

25230442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663980.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 25230442 is about 5022.9913398293. The cubic root of 25230442 is about 293.2974494098.

Adding to 25230442 its reverse (24403252), we get a palindrome (49633694).

The spelling of 25230442 in words is "twenty-five million, two hundred thirty thousand, four hundred forty-two".