538356249 has 12 divisors (see below), whose sum is σ = 778130496. Its totient is φ = 358671192.

The previous prime is 538356233. The next prime is 538356263. The reversal of 538356249 is 942653835.

538356249 is a `hidden beast` number, since 5 + 3 + 83 + 562 + 4 + 9 = 666.

It is not a de Polignac number, because 538356249 - 2⁴ = 538356233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538356209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4149 + ... + 33074.

It is an arithmetic number, because the mean of its divisors is an integer number (64844208).

Almost surely, 2^538356249 is an apocalyptic number.

It is an amenable number.

538356249 is a deficient number, since it is larger than the sum of its proper divisors (239774247).

538356249 is a wasteful number, since it uses less digits than its factorization.

538356249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38836 (or 38833 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 538356249 is about 23202.5052311167. The cubic root of 538356249 is about 813.4981809812.

The spelling of 538356249 in words is "five hundred thirty-eight million, three hundred fifty-six thousand, two hundred forty-nine".