2053523431 has 4 divisors (see below), whose sum is σ = 2053729912. Its totient is φ = 2053316952.

The previous prime is 2053523429. The next prime is 2053523453. The reversal of 2053523431 is 1343253502.

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 2053523431 - 2¹ = 2053523429 is a prime.

It is a super-2 number, since 2×2053523431² = 8433916963332023522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2053523431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053523471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87525 + ... + 108478.

It is an arithmetic number, because the mean of its divisors is an integer number (513432478).

Almost surely, 2^2053523431 is an apocalyptic number.

2053523431 is a deficient number, since it is larger than the sum of its proper divisors (206481).

2053523431 is a wasteful number, since it uses less digits than its factorization.

2053523431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206480.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2053523431 is about 45315.8187722566. The cubic root of 2053523431 is about 1271.0614704368.

Adding to 2053523431 its reverse (1343253502), we get a palindrome (3396776933).

The spelling of 2053523431 in words is "two billion, fifty-three million, five hundred twenty-three thousand, four hundred thirty-one".