25025442 has 16 divisors (see below), whose sum is σ = 53901120. Its totient is φ = 7700112.

The previous prime is 25025437. The next prime is 25025443. The reversal of 25025442 is 24452052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25025443) 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, 160342 + ... + 160497.

It is an arithmetic number, because the mean of its divisors is an integer number (3368820).

Almost surely, 2^25025442 is an apocalyptic number.

25025442 is an abundant number, since it is smaller than the sum of its proper divisors (28875678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25025442 is a wasteful number, since it uses less digits than its factorization.

25025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320857.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 25025442 is about 5002.5435530338. The cubic root of 25025442 is about 292.5009306713.

Adding to 25025442 its reverse (24452052), we get a palindrome (49477494).

The spelling of 25025442 in words is "twenty-five million, twenty-five thousand, four hundred forty-two".