538601019 has 16 divisors (see below), whose sum is σ = 786681984. Its totient is φ = 325065600.

The previous prime is 538601017. The next prime is 538601131. The reversal of 538601019 is 910106835.

It is not a de Polignac number, because 538601019 - 2¹ = 538601017 is a prime.

It is a super-2 number, since 2×538601019² = 580182115335676722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (538601017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25909 + ... + 41814.

It is an arithmetic number, because the mean of its divisors is an integer number (49167624).

Almost surely, 2^538601019 is an apocalyptic number.

538601019 is a deficient number, since it is larger than the sum of its proper divisors (248080965).

538601019 is a wasteful number, since it uses less digits than its factorization.

538601019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67978.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 538601019 is about 23207.7792776474. The cubic root of 538601019 is about 813.6214511394.

The spelling of 538601019 in words is "five hundred thirty-eight million, six hundred one thousand, nineteen".