245234552225 has 18 divisors (see below), whose sum is σ = 329281807986. Its totient is φ = 181096281600.

The previous prime is 245234552209. The next prime is 245234552323. The reversal of 245234552225 is 522255432542.

It can be written as a sum of positive squares in 9 ways, for example, as 209522245696 + 35712306529 = 457736^2 + 188977^2 .

It is not a de Polignac number, because 245234552225 - 2⁴ = 245234552209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29017616 + ... + 29026065.

It is an arithmetic number, because the mean of its divisors is an integer number (18293433777).

Almost surely, 2^245234552225 is an apocalyptic number.

245234552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245234552225 is a deficient number, since it is larger than the sum of its proper divisors (84047255761).

245234552225 is a wasteful number, since it uses less digits than its factorization.

245234552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58043717 (or 58043699 counting only the distinct ones).

The product of its digits is 960000, while the sum is 41.

Adding to 245234552225 its reverse (522255432542), we get a palindrome (767489984767).

The spelling of 245234552225 in words is "two hundred forty-five billion, two hundred thirty-four million, five hundred fifty-two thousand, two hundred twenty-five".