538274165 has 16 divisors (see below), whose sum is σ = 758854656. Its totient is φ = 361358400.

The previous prime is 538274141. The next prime is 538274167. The reversal of 538274165 is 561472835.

It is not a de Polignac number, because 538274165 - 2⁶ = 538274101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538274167) 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, 375701 + ... + 377130.

It is an arithmetic number, because the mean of its divisors is an integer number (47428416).

Almost surely, 2^538274165 is an apocalyptic number.

538274165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

538274165 is a deficient number, since it is larger than the sum of its proper divisors (220580491).

538274165 is a wasteful number, since it uses less digits than its factorization.

538274165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752860.

The product of its digits is 201600, while the sum is 41.

The square root of 538274165 is about 23200.7363029711. The cubic root of 538274165 is about 813.4568337761.

The spelling of 538274165 in words is "five hundred thirty-eight million, two hundred seventy-four thousand, one hundred sixty-five".