38557265 has 4 divisors (see below), whose sum is σ = 46268724. Its totient is φ = 30845808.

The previous prime is 38557243. The next prime is 38557271. The reversal of 38557265 is 56275583.

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 27541504 + 11015761 = 5248^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 38557265 - 2⁶ = 38557201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3855722 + ... + 3855731.

It is an arithmetic number, because the mean of its divisors is an integer number (11567181).

Almost surely, 2^38557265 is an apocalyptic number.

It is an amenable number.

38557265 is a deficient number, since it is larger than the sum of its proper divisors (7711459).

38557265 is an equidigital number, since it uses as much as digits as its factorization.

38557265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711458.

The product of its digits is 252000, while the sum is 41.

The square root of 38557265 is about 6209.4496535522. The cubic root of 38557265 is about 337.8330028307.

The spelling of 38557265 in words is "thirty-eight million, five hundred fifty-seven thousand, two hundred sixty-five".