45265356253 has 4 divisors (see below), whose sum is σ = 48747306748. Its totient is φ = 41783405760.

The previous prime is 45265356251. The next prime is 45265356271. The reversal of 45265356253 is 35265356254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35265356254 = 2 ⋅17632678127.

It can be written as a sum of positive squares in 2 ways, for example, as 8325285049 + 36940071204 = 91243^2 + 192198^2 .

It is a cyclic number.

It is not a de Polignac number, because 45265356253 - 2¹ = 45265356251 is a prime.

It is a super-2 number, since 2×45265356253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45265356251) 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, 1740975228 + ... + 1740975253.

It is an arithmetic number, because the mean of its divisors is an integer number (12186826687).

Almost surely, 2^45265356253 is an apocalyptic number.

It is an amenable number.

45265356253 is a deficient number, since it is larger than the sum of its proper divisors (3481950495).

45265356253 is a wasteful number, since it uses less digits than its factorization.

45265356253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481950494.

The product of its digits is 3240000, while the sum is 46.

Subtracting from 45265356253 its reverse (35265356254), we obtain a palindrome (9999999999).

The spelling of 45265356253 in words is "forty-five billion, two hundred sixty-five million, three hundred fifty-six thousand, two hundred fifty-three".