25247052 has 60 divisors (see below), whose sum is σ = 68302080. Its totient is φ = 8122464.

The previous prime is 25247041. The next prime is 25247059. The reversal of 25247052 is 25074252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25247059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8053 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (1138368).

Almost surely, 2^25247052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25247052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34151040).

25247052 is an abundant number, since it is smaller than the sum of its proper divisors (43055028).

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

25247052 is a wasteful number, since it uses less digits than its factorization.

25247052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 25247052 is about 5024.6444650343. The cubic root of 25247052 is about 293.3617976281.

The spelling of 25247052 in words is "twenty-five million, two hundred forty-seven thousand, fifty-two".