25486000 has 40 divisors (see below), whose sum is σ = 61629984. Its totient is φ = 10193600.

The previous prime is 25485997. The next prime is 25486031. The reversal of 25486000 is 68452.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4372 + ... + 8371.

Almost surely, 2^25486000 is an apocalyptic number.

25486000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25486000 is an abundant number, since it is smaller than the sum of its proper divisors (36143984).

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

25486000 is a wasteful number, since it uses less digits than its factorization.

25486000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766 (or 12750 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25486000 is about 5048.3660723050. The cubic root of 25486000 is about 294.2843901569.

The spelling of 25486000 in words is "twenty-five million, four hundred eighty-six thousand".