25784948 has 12 divisors (see below), whose sum is σ = 51569952. Its totient is φ = 11050680.

The previous prime is 25784929. The next prime is 25784951. The reversal of 25784948 is 84948752.

It is a happy number.

25784948 is an admirable number.

It is a super-3 number, since 3×25784948³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460418 + ... + 460473.

It is an arithmetic number, because the mean of its divisors is an integer number (4297496).

Almost surely, 2^25784948 is an apocalyptic number.

25784948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25784948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25784948 is a wasteful number, since it uses less digits than its factorization.

25784948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920902 (or 920900 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 25784948 is about 5077.8881437070. Note that the first 3 decimals coincide. The cubic root of 25784948 is about 295.4305615475.

The spelling of 25784948 in words is "twenty-five million, seven hundred eighty-four thousand, nine hundred forty-eight".