25350012 has 36 divisors (see below), whose sum is σ = 64687896. Its totient is φ = 8369760.

The previous prime is 25350007. The next prime is 25350023. The reversal of 25350012 is 21005352.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 5.

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, 562 + ... + 7142.

It is an arithmetic number, because the mean of its divisors is an integer number (1796886).

Almost surely, 2^25350012 is an apocalyptic number.

It is an amenable number.

25350012 is an abundant number, since it is smaller than the sum of its proper divisors (39337884).

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

25350012 is a wasteful number, since it uses less digits than its factorization.

25350012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698 (or 6693 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25350012 is about 5034.8795417567. The cubic root of 25350012 is about 293.7600429945.

Adding to 25350012 its reverse (21005352), we get a palindrome (46355364).

The spelling of 25350012 in words is "twenty-five million, three hundred fifty thousand, twelve".