5137853481 has 6 divisors (see below), whose sum is σ = 7421343930. Its totient is φ = 3425235648.

The previous prime is 5137853473. The next prime is 5137853491. The reversal of 5137853481 is 1843587315.

It is a happy number.

5137853481 is a `hidden beast` number, since 5 + 1 + 37 + 8 + 534 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3876183081 + 1261670400 = 62259^2 + 35520^2 .

It is not a de Polignac number, because 5137853481 - 2³ = 5137853473 is a prime.

It is a super-2 number, since 2×5137853481² = 52795076784447634722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5137853431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285436296 + ... + 285436313.

It is an arithmetic number, because the mean of its divisors is an integer number (1236890655).

Almost surely, 2^5137853481 is an apocalyptic number.

It is an amenable number.

5137853481 is a deficient number, since it is larger than the sum of its proper divisors (2283490449).

5137853481 is a wasteful number, since it uses less digits than its factorization.

5137853481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570872615 (or 570872612 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5137853481 is about 71678.8217048802. The cubic root of 5137853481 is about 1725.5487695743.

The spelling of 5137853481 in words is "five billion, one hundred thirty-seven million, eight hundred fifty-three thousand, four hundred eighty-one".