25250266 has 4 divisors (see below), whose sum is σ = 37875402. Its totient is φ = 12625132.

The previous prime is 25250261. The next prime is 25250299. The reversal of 25250266 is 66205252.

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., 18671041 + 6579225 = 4321^2 + 2565^2 .

It is not an unprimeable number, because it can be changed into a prime (25250261) 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, 6312565 + ... + 6312568.

Almost surely, 2^25250266 is an apocalyptic number.

25250266 is a deficient number, since it is larger than the sum of its proper divisors (12625136).

25250266 is a wasteful number, since it uses less digits than its factorization.

25250266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625135.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25250266 is about 5024.9642784800. The cubic root of 25250266 is about 293.3742456136.

The spelling of 25250266 in words is "twenty-five million, two hundred fifty thousand, two hundred sixty-six".