25024153225 has 12 divisors (see below), whose sum is σ = 31190732956. Its totient is φ = 19915591680.

The previous prime is 25024153211. The next prime is 25024153267. The reversal of 25024153225 is 52235142052.

It can be written as a sum of positive squares in 6 ways, for example, as 8227215616 + 16796937609 = 90704^2 + 129603^2 .

It is not a de Polignac number, because 25024153225 - 2⁷ = 25024153097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2588352 + ... + 2598001.

Almost surely, 2^25024153225 is an apocalyptic number.

25024153225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25024153225 is a deficient number, since it is larger than the sum of its proper divisors (6166579731).

25024153225 is a wasteful number, since it uses less digits than its factorization.

25024153225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186556 (or 5186551 counting only the distinct ones).

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

Adding to 25024153225 its reverse (52235142052), we get a palindrome (77259295277).

The spelling of 25024153225 in words is "twenty-five billion, twenty-four million, one hundred fifty-three thousand, two hundred twenty-five".