25266242 has 8 divisors (see below), whose sum is σ = 37921296. Its totient is φ = 12625812.

The previous prime is 25266211. The next prime is 25266247. The reversal of 25266242 is 24266252.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (25266247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (4740162).

Almost surely, 2^25266242 is an apocalyptic number.

25266242 is a deficient number, since it is larger than the sum of its proper divisors (12655054).

25266242 is a wasteful number, since it uses less digits than its factorization.

25266242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312.

The product of its digits is 11520, while the sum is 29.

The square root of 25266242 is about 5026.5536901539. The cubic root of 25266242 is about 293.4361058042.

The spelling of 25266242 in words is "twenty-five million, two hundred sixty-six thousand, two hundred forty-two".