45250253513 has 4 divisors (see below), whose sum is σ = 45252423108. Its totient is φ = 45248083920.

The previous prime is 45250253509. The next prime is 45250253519. The reversal of 45250253513 is 31535205254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43061230144 + 2189023369 = 207512^2 + 46787^2 .

It is a cyclic number.

It is not a de Polignac number, because 45250253513 - 2² = 45250253509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45250253519) 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, 1053206 + ... + 1095327.

It is an arithmetic number, because the mean of its divisors is an integer number (11313105777).

Almost surely, 2^45250253513 is an apocalyptic number.

It is an amenable number.

45250253513 is a deficient number, since it is larger than the sum of its proper divisors (2169595).

45250253513 is a wasteful number, since it uses less digits than its factorization.

45250253513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169594.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 45250253513 its reverse (31535205254), we get a palindrome (76785458767).

The spelling of 45250253513 in words is "forty-five billion, two hundred fifty million, two hundred fifty-three thousand, five hundred thirteen".