25014018 has 32 divisors (see below), whose sum is σ = 53488512. Its totient is φ = 7779200.

The previous prime is 25013999. The next prime is 25014049. The reversal of 25014018 is 81041052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25013985 and 25014003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3448 + ... + 7868.

It is an arithmetic number, because the mean of its divisors is an integer number (1671516).

Almost surely, 2^25014018 is an apocalyptic number.

25014018 is an abundant number, since it is smaller than the sum of its proper divisors (28474494).

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

25014018 is a wasteful number, since it uses less digits than its factorization.

25014018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 25014018 is about 5001.4016035507. The cubic root of 25014018 is about 292.4564154505.

The spelling of 25014018 in words is "twenty-five million, fourteen thousand, eighteen".