25150828 has 12 divisors (see below), whose sum is σ = 44950752. Its totient is φ = 12307760.

The previous prime is 25150789. The next prime is 25150843. The reversal of 25150828 is 82805152.

It is a self number, because there is not a number n which added to its sum of digits gives 25150828.

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, 66703 + ... + 67078.

It is an arithmetic number, because the mean of its divisors is an integer number (3745896).

Almost surely, 2^25150828 is an apocalyptic number.

It is an amenable number.

25150828 is a deficient number, since it is larger than the sum of its proper divisors (19799924).

25150828 is a wasteful number, since it uses less digits than its factorization.

25150828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133832 (or 133830 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 25150828 is about 5015.0601192807. The cubic root of 25150828 is about 292.9886268771.

The spelling of 25150828 in words is "twenty-five million, one hundred fifty thousand, eight hundred twenty-eight".