25340522 has 4 divisors (see below), whose sum is σ = 38010786. Its totient is φ = 12670260.

The previous prime is 25340507. The next prime is 25340551. The reversal of 25340522 is 22504352.

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., 16982641 + 8357881 = 4121^2 + 2891^2 .

It is an unprimeable number.

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, 6335129 + ... + 6335132.

Almost surely, 2^25340522 is an apocalyptic number.

25340522 is a deficient number, since it is larger than the sum of its proper divisors (12670264).

25340522 is a wasteful number, since it uses less digits than its factorization.

25340522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670263.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25340522 is about 5033.9370278143. The cubic root of 25340522 is about 293.7233812004.

Adding to 25340522 its reverse (22504352), we get a palindrome (47844874).

The spelling of 25340522 in words is "twenty-five million, three hundred forty thousand, five hundred twenty-two".