245547053131 has 4 divisors (see below), whose sum is σ = 245584393912. Its totient is φ = 245509712352.

The previous prime is 245547053119. The next prime is 245547053153. The reversal of 245547053131 is 131350745542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245547053131 - 2¹¹ = 245547051083 is a prime.

It is a super-2 number, since 2×245547053131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245547057131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18660525 + ... + 18673678.

It is an arithmetic number, because the mean of its divisors is an integer number (61396098478).

Almost surely, 2^245547053131 is an apocalyptic number.

245547053131 is a deficient number, since it is larger than the sum of its proper divisors (37340781).

245547053131 is an equidigital number, since it uses as much as digits as its factorization.

245547053131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37340780.

The product of its (nonzero) digits is 252000, while the sum is 40.

Adding to 245547053131 its reverse (131350745542), we get a palindrome (376897798673).

The spelling of 245547053131 in words is "two hundred forty-five billion, five hundred forty-seven million, fifty-three thousand, one hundred thirty-one".