253545024150225 has 72 divisors (see below), whose sum is σ = 478111028578560. Its totient is φ = 128084909005440.

The previous prime is 253545024150169. The next prime is 253545024150247. The reversal of 253545024150225 is 522051420545352.

253545024150225 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 4 + 5 + 0 + 2 + 415 + 0 + 225 = 666.

It is not a de Polignac number, because 253545024150225 - 2¹⁰ = 253545024149201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19749184 + ... + 29951966.

It is an arithmetic number, because the mean of its divisors is an integer number (6640430952480).

Almost surely, 2^{253545024150225} is an apocalyptic number.

253545024150225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253545024150225 is a deficient number, since it is larger than the sum of its proper divisors (224566004428335).

253545024150225 is a wasteful number, since it uses less digits than its factorization.

253545024150225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208631 (or 10208623 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

Adding to 253545024150225 its reverse (522051420545352), we get a palindrome (775596444695577).

The spelling of 253545024150225 in words is "two hundred fifty-three trillion, five hundred forty-five billion, twenty-four million, one hundred fifty thousand, two hundred twenty-five".