25070016 has 56 divisors (see below), whose sum is σ = 68143120. Its totient is φ = 8128512.

The previous prime is 25070009. The next prime is 25070039. The reversal of 25070016 is 61007052.

It is a junction number, because it is equal to n+sod(n) for n = 25069974 and 25070001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340 + ... + 8868.

Almost surely, 2^25070016 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 25070016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34071560).

25070016 is an abundant number, since it is smaller than the sum of its proper divisors (43073104).

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

25070016 is a wasteful number, since it uses less digits than its factorization.

25070016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 25070016 is about 5006.9967046125. The cubic root of 25070016 is about 292.6744900874.

Adding to 25070016 its reverse (61007052), we get a palindrome (86077068).

The spelling of 25070016 in words is "twenty-five million, seventy thousand, sixteen".