245502625 has 16 divisors (see below), whose sum is σ = 312176592. Its totient is φ = 192691200.

The previous prime is 245502623. The next prime is 245502637. The reversal of 245502625 is 526205542.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12054784 + 233447841 = 3472^2 + 15279^2 .

It is not a de Polignac number, because 245502625 - 2¹ = 245502623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245502623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11904 + ... + 25153.

It is an arithmetic number, because the mean of its divisors is an integer number (19511037).

Almost surely, 2^245502625 is an apocalyptic number.

245502625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245502625 is a deficient number, since it is larger than the sum of its proper divisors (66673967).

245502625 is an equidigital number, since it uses as much as digits as its factorization.

245502625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37125 (or 37115 counting only the distinct ones).

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

The square root of 245502625 is about 15668.5233828846. The cubic root of 245502625 is about 626.1600853908.

The spelling of 245502625 in words is "two hundred forty-five million, five hundred two thousand, six hundred twenty-five".