25214304225 has 24 divisors (see below), whose sum is σ = 45477437472. Its totient is φ = 12225116800.

The previous prime is 25214304209. The next prime is 25214304253. The reversal of 25214304225 is 52240341252.

It is not a de Polignac number, because 25214304225 - 2⁴ = 25214304209 is a prime.

It is a super-2 number, since 2×25214304225² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25214304192 and 25214304201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15280572 + ... + 15282221.

It is an arithmetic number, because the mean of its divisors is an integer number (1894893228).

Almost surely, 2^25214304225 is an apocalyptic number.

25214304225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25214304225 is a deficient number, since it is larger than the sum of its proper divisors (20263133247).

25214304225 is a wasteful number, since it uses less digits than its factorization.

25214304225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30562817 (or 30562812 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25214304225 its reverse (52240341252), we get a palindrome (77454645477).

The spelling of 25214304225 in words is "twenty-five billion, two hundred fourteen million, three hundred four thousand, two hundred twenty-five".