25282650 has 48 divisors (see below), whose sum is σ = 64245888. Its totient is φ = 6576000.

The previous prime is 25282633. The next prime is 25282669. The reversal of 25282650 is 5628252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4095 + ... + 8205.

It is an arithmetic number, because the mean of its divisors is an integer number (1338456).

Almost surely, 2^25282650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25282650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32122944).

25282650 is an abundant number, since it is smaller than the sum of its proper divisors (38963238).

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

25282650 is a wasteful number, since it uses less digits than its factorization.

25282650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4162 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 25282650 is about 5028.1855574352. The cubic root of 25282650 is about 293.4996115916.

The spelling of 25282650 in words is "twenty-five million, two hundred eighty-two thousand, six hundred fifty".