25214345 has 8 divisors (see below), whose sum is σ = 32584776. Its totient is φ = 18619776.

The previous prime is 25214317. The next prime is 25214359. The reversal of 25214345 is 54341252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 573049 + 24641296 = 757^2 + 4964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25214345 - 2⁸ = 25214089 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 193892 + ... + 194021.

It is an arithmetic number, because the mean of its divisors is an integer number (4073097).

Almost surely, 2^25214345 is an apocalyptic number.

It is an amenable number.

25214345 is a deficient number, since it is larger than the sum of its proper divisors (7370431).

25214345 is a wasteful number, since it uses less digits than its factorization.

25214345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387931.

The product of its digits is 4800, while the sum is 26.

The square root of 25214345 is about 5021.3887521282. The cubic root of 25214345 is about 293.2350616345.

Adding to 25214345 its reverse (54341252), we get a palindrome (79555597).

The spelling of 25214345 in words is "twenty-five million, two hundred fourteen thousand, three hundred forty-five".