25300442 has 4 divisors (see below), whose sum is σ = 37950666. Its totient is φ = 12650220.

The previous prime is 25300427. The next prime is 25300447. The reversal of 25300442 is 24400352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19545241 + 5755201 = 4421^2 + 2399^2 .

It is a super-2 number, since 2×25300442² = 1280224730790728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25300447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325109 + ... + 6325112.

Almost surely, 2^25300442 is an apocalyptic number.

25300442 is a deficient number, since it is larger than the sum of its proper divisors (12650224).

25300442 is a wasteful number, since it uses less digits than its factorization.

25300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650223.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 25300442 is about 5029.9544729550. The cubic root of 25300442 is about 293.5684429922.

Adding to 25300442 its reverse (24400352), we get a palindrome (49700794).

The spelling of 25300442 in words is "twenty-five million, three hundred thousand, four hundred forty-two".