245343315531525 has 12 divisors (see below), whose sum is σ = 405634281678912. Its totient is φ = 130849768283440.

The previous prime is 245343315531521. The next prime is 245343315531539. The reversal of 245343315531525 is 525135513343542.

It is a happy number.

It is not a de Polignac number, because 245343315531525 - 2² = 245343315531521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245343315531521) 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, 1635622103469 + ... + 1635622103618.

It is an arithmetic number, because the mean of its divisors is an integer number (33802856806576).

Almost surely, 2^{245343315531525} is an apocalyptic number.

245343315531525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245343315531525 is a deficient number, since it is larger than the sum of its proper divisors (160290966147387).

245343315531525 is a wasteful number, since it uses less digits than its factorization.

245343315531525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271244207100 (or 3271244207095 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 51.

The spelling of 245343315531525 in words is "two hundred forty-five trillion, three hundred forty-three billion, three hundred fifteen million, five hundred thirty-one thousand, five hundred twenty-five".