265361334 has 64 divisors (see below), whose sum is σ = 641088000. Its totient is φ = 71532288.

The previous prime is 265361323. The next prime is 265361359. The reversal of 265361334 is 433163562.

It is a junction number, because it is equal to n+sod(n) for n = 265361295 and 265361304.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 252442 + ... + 253490.

It is an arithmetic number, because the mean of its divisors is an integer number (10017000).

Almost surely, 2^265361334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265361334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320544000).

265361334 is an abundant number, since it is smaller than the sum of its proper divisors (375726666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265361334 is a wasteful number, since it uses less digits than its factorization.

265361334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its digits is 38880, while the sum is 33.

The square root of 265361334 is about 16289.9151010679. The cubic root of 265361334 is about 642.6076340644.

The spelling of 265361334 in words is "two hundred sixty-five million, three hundred sixty-one thousand, three hundred thirty-four".