5251425025 has 24 divisors (see below), whose sum is σ = 8118569664. Its totient is φ = 3273614400.

The previous prime is 5251424963. The next prime is 5251425041. The reversal of 5251425025 is 5205241525.

It is a happy number.

It is not a de Polignac number, because 5251425025 - 2⁹ = 5251424513 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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1362082 + ... + 1365931.

It is an arithmetic number, because the mean of its divisors is an integer number (338273736).

Almost surely, 2^5251425025 is an apocalyptic number.

5251425025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5251425025 is a deficient number, since it is larger than the sum of its proper divisors (2867144639).

5251425025 is a wasteful number, since it uses less digits than its factorization.

5251425025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728041 (or 2728036 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5251425025 is about 72466.7166704826. The cubic root of 5251425025 is about 1738.1705598008.

The spelling of 5251425025 in words is "five billion, two hundred fifty-one million, four hundred twenty-five thousand, twenty-five".