25486512 has 20 divisors (see below), whose sum is σ = 65840280. Its totient is φ = 8495488.

The previous prime is 25486511. The next prime is 25486603. The reversal of 25486512 is 21568452.

It is a super-2 number, since 2×25486512² = 1299124587852288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25486511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265437 + ... + 265532.

It is an arithmetic number, because the mean of its divisors is an integer number (3292014).

Almost surely, 2^25486512 is an apocalyptic number.

It is an amenable number.

25486512 is an abundant number, since it is smaller than the sum of its proper divisors (40353768).

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

25486512 is a wasteful number, since it uses less digits than its factorization.

25486512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530980 (or 530974 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 25486512 is about 5048.4167815267. The cubic root of 25486512 is about 294.2863608153.

The spelling of 25486512 in words is "twenty-five million, four hundred eighty-six thousand, five hundred twelve".