265475131 has 4 divisors (see below), whose sum is σ = 277017552. Its totient is φ = 253932712.

The previous prime is 265475117. The next prime is 265475141. The reversal of 265475131 is 131574562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265475131 - 2¹⁷ = 265344059 is a prime.

It is a super-2 number, since 2×265475131² = 140954090358934322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265475101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771176 + ... + 5771221.

It is an arithmetic number, because the mean of its divisors is an integer number (69254388).

Almost surely, 2^265475131 is an apocalyptic number.

265475131 is a deficient number, since it is larger than the sum of its proper divisors (11542421).

265475131 is a wasteful number, since it uses less digits than its factorization.

265475131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542420.

The product of its digits is 25200, while the sum is 34.

The square root of 265475131 is about 16293.4075932569. The cubic root of 265475131 is about 642.6994791085.

The spelling of 265475131 in words is "two hundred sixty-five million, four hundred seventy-five thousand, one hundred thirty-one".