8248400625 has 20 divisors (see below), whose sum is σ = 13742938352. Its totient is φ = 4399146000.

The previous prime is 8248400581. The next prime is 8248400711. The reversal of 8248400625 is 5260048428.

It is not a de Polignac number, because 8248400625 - 2⁷ = 8248400497 is a prime.

It is a super-2 number, since 2×8248400625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2197699 + ... + 2201448.

Almost surely, 2^8248400625 is an apocalyptic number.

It is an amenable number.

8248400625 is a deficient number, since it is larger than the sum of its proper divisors (5494537727).

8248400625 is an equidigital number, since it uses as much as digits as its factorization.

8248400625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399170 (or 4399155 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 8248400625 is about 90820.7059265672. The cubic root of 8248400625 is about 2020.4894269580.

The spelling of 8248400625 in words is "eight billion, two hundred forty-eight million, four hundred thousand, six hundred twenty-five".