25450442 has 8 divisors (see below), whose sum is σ = 39407232. Its totient is φ = 12314700.

The previous prime is 25450387. The next prime is 25450457. The reversal of 25450442 is 24405452.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205184 + ... + 205307.

It is an arithmetic number, because the mean of its divisors is an integer number (4925904).

Almost surely, 2^25450442 is an apocalyptic number.

25450442 is a deficient number, since it is larger than the sum of its proper divisors (13956790).

25450442 is a wasteful number, since it uses less digits than its factorization.

25450442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410524.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 25450442 is about 5044.8431095526. The cubic root of 25450442 is about 294.1474648562.

Adding to 25450442 its reverse (24405452), we get a palindrome (49855894).

The spelling of 25450442 in words is "twenty-five million, four hundred fifty thousand, four hundred forty-two".