2036520457 has 4 divisors (see below), whose sum is σ = 2156315796. Its totient is φ = 1916725120.

The previous prime is 2036520443. The next prime is 2036520503. The reversal of 2036520457 is 7540256302.

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 632069881 + 1404450576 = 25141^2 + 37476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2036520457 - 2⁷ = 2036520329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2036520427) 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, 59897644 + ... + 59897677.

It is an arithmetic number, because the mean of its divisors is an integer number (539078949).

Almost surely, 2^2036520457 is an apocalyptic number.

It is an amenable number.

2036520457 is a deficient number, since it is larger than the sum of its proper divisors (119795339).

2036520457 is a wasteful number, since it uses less digits than its factorization.

2036520457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119795338.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 2036520457 is about 45127.8235349324. The cubic root of 2036520457 is about 1267.5436550496.

Adding to 2036520457 its reverse (7540256302), we get a palindrome (9576776759).

The spelling of 2036520457 in words is "two billion, thirty-six million, five hundred twenty thousand, four hundred fifty-seven".