25285012 has 6 divisors (see below), whose sum is σ = 44248778. Its totient is φ = 12642504.

The previous prime is 25285009. The next prime is 25285031. The reversal of 25285012 is 21058252.

It can be written as a sum of positive squares in only one way, i.e., 25260676 + 24336 = 5026^2 + 156^2 .

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, 3160623 + ... + 3160630.

Almost surely, 2^25285012 is an apocalyptic number.

It is an amenable number.

25285012 is a deficient number, since it is larger than the sum of its proper divisors (18963766).

25285012 is a wasteful number, since it uses less digits than its factorization.

25285012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321257 (or 6321255 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 25285012 is about 5028.4204279276. The cubic root of 25285012 is about 293.5087512518.

It can be divided in two parts, 252 and 85012, that added together give a square (85264 = 292²).

The spelling of 25285012 in words is "twenty-five million, two hundred eighty-five thousand, twelve".