25420312 has 16 divisors (see below), whose sum is σ = 47754360. Its totient is φ = 12685824.

The previous prime is 25420277. The next prime is 25420319. The reversal of 25420312 is 21302452.

It is a self number, because there is not a number n which added to its sum of digits gives 25420312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863 + ... + 7369.

Almost surely, 2^25420312 is an apocalyptic number.

It is an amenable number.

25420312 is a deficient number, since it is larger than the sum of its proper divisors (22334048).

25420312 is a wasteful number, since it uses less digits than its factorization.

25420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090 (or 6086 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25420312 is about 5041.8560074639. The cubic root of 25420312 is about 294.0313416230.

Adding to 25420312 its reverse (21302452), we get a palindrome (46722764).

The spelling of 25420312 in words is "twenty-five million, four hundred twenty thousand, three hundred twelve".