25149828 has 24 divisors (see below), whose sum is σ = 64018080. Its totient is φ = 7621120.

The previous prime is 25149827. The next prime is 25149847. The reversal of 25149828 is 82894152.

It is not an unprimeable number, because it can be changed into a prime (25149821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95133 + ... + 95396.

It is an arithmetic number, because the mean of its divisors is an integer number (2667420).

Almost surely, 2^25149828 is an apocalyptic number.

It is an amenable number.

25149828 is an abundant number, since it is smaller than the sum of its proper divisors (38868252).

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

25149828 is a wasteful number, since it uses less digits than its factorization.

25149828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190547 (or 190545 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 25149828 is about 5014.9604185876. The cubic root of 25149828 is about 292.9847437377.

The spelling of 25149828 in words is "twenty-five million, one hundred forty-nine thousand, eight hundred twenty-eight".