538154785 has 16 divisors (see below), whose sum is σ = 738748800. Its totient is φ = 368666496.

The previous prime is 538154783. The next prime is 538154791. The reversal of 538154785 is 587451835.

It is a cyclic number.

It is not a de Polignac number, because 538154785 - 2¹ = 538154783 is a prime.

It is a super-2 number, since 2×538154785² = 579221145236792450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (538154783) 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 15 ways as a sum of consecutive naturals, for example, 32706 + ... + 46324.

It is an arithmetic number, because the mean of its divisors is an integer number (46171800).

Almost surely, 2^538154785 is an apocalyptic number.

It is an amenable number.

538154785 is a deficient number, since it is larger than the sum of its proper divisors (200594015).

538154785 is a wasteful number, since it uses less digits than its factorization.

538154785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14760.

The product of its digits is 672000, while the sum is 46.

The square root of 538154785 is about 23198.1633971312. The cubic root of 538154785 is about 813.3966923939.

The spelling of 538154785 in words is "five hundred thirty-eight million, one hundred fifty-four thousand, seven hundred eighty-five".