245552502225 has 24 divisors (see below), whose sum is σ = 406020952480. Its totient is φ = 130948168320.

The previous prime is 245552502191. The next prime is 245552502241. The reversal of 245552502225 is 522205255542.

It is not a de Polignac number, because 245552502225 - 2¹¹ = 245552500177 is a prime.

It is a Curzon number.

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, 610581 + ... + 929469.

Almost surely, 2^245552502225 is an apocalyptic number.

245552502225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245552502225 is a deficient number, since it is larger than the sum of its proper divisors (160468450255).

245552502225 is a wasteful number, since it uses less digits than its factorization.

245552502225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329169 (or 329164 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 39.

Adding to 245552502225 its reverse (522205255542), we get a palindrome (767757757767).

The spelling of 245552502225 in words is "two hundred forty-five billion, five hundred fifty-two million, five hundred two thousand, two hundred twenty-five".