1245325130225 has 36 divisors (see below), whose sum is σ = 1797191308332. Its totient is φ = 852415027200.

The previous prime is 1245325130221. The next prime is 1245325130237. The reversal of 1245325130225 is 5220315235421.

It can be written as a sum of positive squares in 6 ways, for example, as 1600560049 + 1243724570176 = 40007^2 + 1115224^2 .

It is not a de Polignac number, because 1245325130225 - 2² = 1245325130221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245325130221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12056744 + ... + 12159593.

It is an arithmetic number, because the mean of its divisors is an integer number (49921980787).

Almost surely, 2^{1245325130225} is an apocalyptic number.

It is an amenable number.

1245325130225 is a deficient number, since it is larger than the sum of its proper divisors (551866178107).

1245325130225 is a wasteful number, since it uses less digits than its factorization.

1245325130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24216386 (or 24216370 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1245325130225 in words is "one trillion, two hundred forty-five billion, three hundred twenty-five million, one hundred thirty thousand, two hundred twenty-five".