25387130 has 8 divisors (see below), whose sum is σ = 45696852. Its totient is φ = 10154848.

The previous prime is 25387129. The next prime is 25387139. The reversal of 25387130 is 3178352.

It can be written as a sum of positive squares in 2 ways, for example, as 24870169 + 516961 = 4987^2 + 719^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25387093 and 25387102.

It is not an unprimeable number, because it can be changed into a prime (25387139) 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, 1269347 + ... + 1269366.

Almost surely, 2^25387130 is an apocalyptic number.

25387130 is a deficient number, since it is larger than the sum of its proper divisors (20309722).

25387130 is a wasteful number, since it uses less digits than its factorization.

25387130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538720.

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

The square root of 25387130 is about 5038.5642796336. The cubic root of 25387130 is about 293.9033495375.

The spelling of 25387130 in words is "twenty-five million, three hundred eighty-seven thousand, one hundred thirty".