25312014 has 160 divisors (see below), whose sum is σ = 74644416. Its totient is φ = 6220800.

The previous prime is 25311967. The next prime is 25312019. The reversal of 25312014 is 41021352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25312019) 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 79 ways as a sum of consecutive naturals, for example, 250564 + ... + 250664.

Almost surely, 2^25312014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25312014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37322208).

25312014 is an abundant number, since it is smaller than the sum of its proper divisors (49332402).

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

25312014 is a wasteful number, since it uses less digits than its factorization.

25312014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25312014 is about 5031.1046500744. The cubic root of 25312014 is about 293.6131939392.

Adding to 25312014 its reverse (41021352), we get a palindrome (66333366).

The spelling of 25312014 in words is "twenty-five million, three hundred twelve thousand, fourteen".