25214135 has 4 divisors (see below), whose sum is σ = 30256968. Its totient is φ = 20171304.

The previous prime is 25214117. The next prime is 25214153. The reversal of 25214135 is 53141252.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25214117) and next prime (25214153).

It is a cyclic number.

It is not a de Polignac number, because 25214135 - 2⁶ = 25214071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25214135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521409 + ... + 2521418.

It is an arithmetic number, because the mean of its divisors is an integer number (7564242).

Almost surely, 2^25214135 is an apocalyptic number.

25214135 is a deficient number, since it is larger than the sum of its proper divisors (5042833).

25214135 is an equidigital number, since it uses as much as digits as its factorization.

25214135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042832.

The product of its digits is 1200, while the sum is 23.

The square root of 25214135 is about 5021.3678415348. The cubic root of 25214135 is about 293.2342475538.

Adding to 25214135 its reverse (53141252), we get a palindrome (78355387).

The spelling of 25214135 in words is "twenty-five million, two hundred fourteen thousand, one hundred thirty-five".