25380012 has 24 divisors (see below), whose sum is σ = 67680256. Its totient is φ = 7251408.

The previous prime is 25380011. The next prime is 25380059. The reversal of 25380012 is 21008352.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25380011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150988 + ... + 151155.

Almost surely, 2^25380012 is an apocalyptic number.

It is an amenable number.

25380012 is an abundant number, since it is smaller than the sum of its proper divisors (42300244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25380012 is a wasteful number, since it uses less digits than its factorization.

25380012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302157 (or 302155 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 25380012 is about 5037.8578781065. The cubic root of 25380012 is about 293.8758789308.

Adding to 25380012 its reverse (21008352), we get a palindrome (46388364).

The spelling of 25380012 in words is "twenty-five million, three hundred eighty thousand, twelve".