25413442 has 4 divisors (see below), whose sum is σ = 38120166. Its totient is φ = 12706720.

The previous prime is 25413439. The next prime is 25413449. The reversal of 25413442 is 24431452.

It is a happy number.

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., 22382361 + 3031081 = 4731^2 + 1741^2 .

It is not an unprimeable number, because it can be changed into a prime (25413449) 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, 6353359 + ... + 6353362.

Almost surely, 2^25413442 is an apocalyptic number.

25413442 is a deficient number, since it is larger than the sum of its proper divisors (12706724).

25413442 is a wasteful number, since it uses less digits than its factorization.

25413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706723.

The product of its digits is 3840, while the sum is 25.

The square root of 25413442 is about 5041.1746646987. The cubic root of 25413442 is about 294.0048512936.

Adding to 25413442 its reverse (24431452), we get a palindrome (49844894).

The spelling of 25413442 in words is "twenty-five million, four hundred thirteen thousand, four hundred forty-two".