637137053 has 24 divisors (see below), whose sum is σ = 780383808. Its totient is φ = 517646976.

The previous prime is 637137049. The next prime is 637137073. The reversal of 637137053 is 350731736.

It is not a de Polignac number, because 637137053 - 2² = 637137049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (637137023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124850 + ... + 129852.

It is an arithmetic number, because the mean of its divisors is an integer number (32515992).

Almost surely, 2^637137053 is an apocalyptic number.

It is an amenable number.

637137053 is a deficient number, since it is larger than the sum of its proper divisors (143246755).

637137053 is a wasteful number, since it uses less digits than its factorization.

637137053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153 (or 5146 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 637137053 is about 25241.5739010070. The cubic root of 637137053 is about 860.4869484037.

Adding to 637137053 its reverse (350731736), we get a palindrome (987868789).

The spelling of 637137053 in words is "six hundred thirty-seven million, one hundred thirty-seven thousand, fifty-three".