25012766 has 4 divisors (see below), whose sum is σ = 37519152. Its totient is φ = 12506382.

The previous prime is 25012739. The next prime is 25012781. The reversal of 25012766 is 66721052.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253190 + ... + 6253193.

It is an arithmetic number, because the mean of its divisors is an integer number (9379788).

Almost surely, 2^25012766 is an apocalyptic number.

25012766 is a deficient number, since it is larger than the sum of its proper divisors (12506386).

25012766 is a wasteful number, since it uses less digits than its factorization.

25012766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506385.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25012766 is about 5001.2764370708. The cubic root of 25012766 is about 292.4515360327.

The spelling of 25012766 in words is "twenty-five million, twelve thousand, seven hundred sixty-six".