25050016 has 48 divisors (see below), whose sum is σ = 51512328. Its totient is φ = 11980800.

The previous prime is 25050001. The next prime is 25050019. The reversal of 25050016 is 61005052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1430416 + 23619600 = 1196^2 + 4860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25049975 and 25050002.

It is not an unprimeable number, because it can be changed into a prime (25050019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79876 + ... + 80188.

Almost surely, 2^25050016 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 25050016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25756164).

25050016 is an abundant number, since it is smaller than the sum of its proper divisors (26462312).

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

25050016 is a wasteful number, since it uses less digits than its factorization.

25050016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25050016 is about 5004.9991008990. Note that the first 3 decimals coincide. The cubic root of 25050016 is about 292.5966408210.

Adding to 25050016 its reverse (61005052), we get a palindrome (86055068).

The spelling of 25050016 in words is "twenty-five million, fifty thousand, sixteen".