265313490 has 32 divisors (see below), whose sum is σ = 685734336. Its totient is φ = 65307840.

The previous prime is 265313443. The next prime is 265313497. The reversal of 265313490 is 94313562.

It is not an unprimeable number, because it can be changed into a prime (265313497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339756 + ... + 340535.

It is an arithmetic number, because the mean of its divisors is an integer number (21429198).

Almost surely, 2^265313490 is an apocalyptic number.

265313490 is an abundant number, since it is smaller than the sum of its proper divisors (420420846).

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

265313490 is a wasteful number, since it uses less digits than its factorization.

265313490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680314.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 265313490 is about 16288.4465189287. The cubic root of 265313490 is about 642.5690115478.

The spelling of 265313490 in words is "two hundred sixty-five million, three hundred thirteen thousand, four hundred ninety".