1245505522325 has 12 divisors (see below), whose sum is σ = 1635275486340. Its totient is φ = 937792392960.

The previous prime is 1245505522321. The next prime is 1245505522361. The reversal of 1245505522325 is 5232255055421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 41828839441 + 1203676682884 = 204521^2 + 1097122^2 .

It is not a de Polignac number, because 1245505522325 - 2² = 1245505522321 is a prime.

It is a super-2 number, since 2×1245505522325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245505522321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1465300190 + ... + 1465301039.

It is an arithmetic number, because the mean of its divisors is an integer number (136272957195).

Almost surely, 2^{1245505522325} is an apocalyptic number.

It is an amenable number.

1245505522325 is a deficient number, since it is larger than the sum of its proper divisors (389769964015).

1245505522325 is a wasteful number, since it uses less digits than its factorization.

1245505522325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930601256 (or 2930601251 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 1245505522325 in words is "one trillion, two hundred forty-five billion, five hundred five million, five hundred twenty-two thousand, three hundred twenty-five".