25449030 has 24 divisors (see below), whose sum is σ = 66167712. Its totient is φ = 6786384.

The previous prime is 25449023. The next prime is 25449049. The reversal of 25449030 is 3094452.

25449030 is a `hidden beast` number, since 2 + 544 + 90 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25448985 and 25449003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141294 + ... + 141473.

It is an arithmetic number, because the mean of its divisors is an integer number (2756988).

Almost surely, 2^25449030 is an apocalyptic number.

25449030 is an abundant number, since it is smaller than the sum of its proper divisors (40718682).

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

25449030 is a wasteful number, since it uses less digits than its factorization.

25449030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282780 (or 282777 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25449030 is about 5044.7031627242. The cubic root of 25449030 is about 294.1420249519.

It can be divided in two parts, 254 and 49030, that added together give a square (49284 = 222²).

The spelling of 25449030 in words is "twenty-five million, four hundred forty-nine thousand, thirty".