538337249 has 4 divisors (see below), whose sum is σ = 570004164. Its totient is φ = 506670336.

The previous prime is 538337243. The next prime is 538337251. The reversal of 538337249 is 942733835.

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 476636224 + 61701025 = 21832^2 + 7855^2 .

It is a cyclic number.

It is not a de Polignac number, because 538337249 - 2⁸ = 538336993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538337243) 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, 15833432 + ... + 15833465.

It is an arithmetic number, because the mean of its divisors is an integer number (142501041).

Almost surely, 2^538337249 is an apocalyptic number.

It is an amenable number.

538337249 is a deficient number, since it is larger than the sum of its proper divisors (31666915).

538337249 is a wasteful number, since it uses less digits than its factorization.

538337249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31666914.

The product of its digits is 544320, while the sum is 44.

The square root of 538337249 is about 23202.0957889584. The cubic root of 538337249 is about 813.4886107092.

The spelling of 538337249 in words is "five hundred thirty-eight million, three hundred thirty-seven thousand, two hundred forty-nine".