265336061 has 4 divisors (see below), whose sum is σ = 265374300. Its totient is φ = 265297824.

The previous prime is 265336003. The next prime is 265336063. The reversal of 265336061 is 160633562.

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 47183161 + 218152900 = 6869^2 + 14770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265336061 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 (265336063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5456 + ... + 23673.

It is an arithmetic number, because the mean of its divisors is an integer number (66343575).

Almost surely, 2^265336061 is an apocalyptic number.

It is an amenable number.

265336061 is a deficient number, since it is larger than the sum of its proper divisors (38239).

265336061 is an equidigital number, since it uses as much as digits as its factorization.

265336061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38238.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 265336061 is about 16289.1393572527. The cubic root of 265336061 is about 642.5872327772.

The spelling of 265336061 in words is "two hundred sixty-five million, three hundred thirty-six thousand, sixty-one".