245402251552225 has 24 divisors (see below), whose sum is σ = 317164541138432. Its totient is φ = 188144288006400.

The previous prime is 245402251552187. The next prime is 245402251552243. The reversal of 245402251552225 is 522255152204542.

It is not a de Polignac number, because 245402251552225 - 2⁹ = 245402251551713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537046712 + ... + 1537206361.

Almost surely, 2^{245402251552225} is an apocalyptic number.

245402251552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245402251552225 is a deficient number, since it is larger than the sum of its proper divisors (71762289586207).

245402251552225 is a wasteful number, since it uses less digits than its factorization.

245402251552225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074253217 (or 3074253212 counting only the distinct ones).

The product of its (nonzero) digits is 3200000, while the sum is 46.

The spelling of 245402251552225 in words is "two hundred forty-five trillion, four hundred two billion, two hundred fifty-one million, five hundred fifty-two thousand, two hundred twenty-five".