245308825 has 24 divisors (see below), whose sum is σ = 318729600. Its totient is φ = 187037760.

The previous prime is 245308801. The next prime is 245308841. The reversal of 245308825 is 528803542.

It is not a de Polignac number, because 245308825 - 2⁹ = 245308313 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 55134 + ... + 59416.

It is an arithmetic number, because the mean of its divisors is an integer number (13280400).

Almost surely, 2^245308825 is an apocalyptic number.

245308825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245308825 is a deficient number, since it is larger than the sum of its proper divisors (73420775).

245308825 is a wasteful number, since it uses less digits than its factorization.

245308825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 245308825 is about 15662.3377884657. The cubic root of 245308825 is about 625.9952782327.

The spelling of 245308825 in words is "two hundred forty-five million, three hundred eight thousand, eight hundred twenty-five".