25493650 has 72 divisors (see below), whose sum is σ = 58817664. Its totient is φ = 8049600.

The previous prime is 25493647. The next prime is 25493651. The reversal of 25493650 is 5639452.

It is not an unprimeable number, because it can be changed into a prime (25493651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58935 + ... + 59365.

It is an arithmetic number, because the mean of its divisors is an integer number (816912).

Almost surely, 2^25493650 is an apocalyptic number.

25493650 is an abundant number, since it is smaller than the sum of its proper divisors (33324014).

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

25493650 is a wasteful number, since it uses less digits than its factorization.

25493650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 25493650 is about 5049.1236863440. The cubic root of 25493650 is about 294.3138318160.

The spelling of 25493650 in words is "twenty-five million, four hundred ninety-three thousand, six hundred fifty".