25626955 has 4 divisors (see below), whose sum is σ = 30752352. Its totient is φ = 20501560.

The previous prime is 25626947. The next prime is 25626959. The reversal of 25626955 is 55962652.

It is a happy number.

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

It is not a de Polignac number, because 25626955 - 2³ = 25626947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25626959) 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 in 3 ways as a sum of consecutive naturals, for example, 2562691 + ... + 2562700.

It is an arithmetic number, because the mean of its divisors is an integer number (7688088).

Almost surely, 2^25626955 is an apocalyptic number.

25626955 is a deficient number, since it is larger than the sum of its proper divisors (5125397).

25626955 is an equidigital number, since it uses as much as digits as its factorization.

25626955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125396.

The product of its digits is 162000, while the sum is 40.

The square root of 25626955 is about 5062.3072802824. The cubic root of 25626955 is about 294.8259243041.

The spelling of 25626955 in words is "twenty-five million, six hundred twenty-six thousand, nine hundred fifty-five".