25863130 has 8 divisors (see below), whose sum is σ = 46553652. Its totient is φ = 10345248.

The previous prime is 25863127. The next prime is 25863143. The reversal of 25863130 is 3136852.

It can be written as a sum of positive squares in 2 ways, for example, as 23299929 + 2563201 = 4827^2 + 1601^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293147 + ... + 1293166.

Almost surely, 2^25863130 is an apocalyptic number.

25863130 is a deficient number, since it is larger than the sum of its proper divisors (20690522).

25863130 is a wasteful number, since it uses less digits than its factorization.

25863130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586320.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25863130 is about 5085.5805961562. The cubic root of 25863130 is about 295.7288498754.

Adding to 25863130 its reverse (3136852), we get a palindrome (28999982).

The spelling of 25863130 in words is "twenty-five million, eight hundred sixty-three thousand, one hundred thirty".