25241350225 has 48 divisors (see below), whose sum is σ = 39064999680. Its totient is φ = 15751814400.

The previous prime is 25241350187. The next prime is 25241350291. The reversal of 25241350225 is 52205314252.

It is not a de Polignac number, because 25241350225 - 2⁷ = 25241350097 is a prime.

It is a super-2 number, since 2×25241350225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83391 + ... + 239659.

It is an arithmetic number, because the mean of its divisors is an integer number (813854160).

Almost surely, 2^25241350225 is an apocalyptic number.

25241350225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25241350225 is a deficient number, since it is larger than the sum of its proper divisors (13823649455).

25241350225 is a wasteful number, since it uses less digits than its factorization.

25241350225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156370 (or 156365 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 25241350225 its reverse (52205314252), we get a palindrome (77446664477).

The spelling of 25241350225 in words is "twenty-five billion, two hundred forty-one million, three hundred fifty thousand, two hundred twenty-five".