265021152 has 48 divisors (see below), whose sum is σ = 758927232. Its totient is φ = 80309120.

The previous prime is 265021117. The next prime is 265021189. The reversal of 265021152 is 251120562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×265021152³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 124428 + ... + 126539.

It is an arithmetic number, because the mean of its divisors is an integer number (15810984).

Almost surely, 2^265021152 is an apocalyptic number.

265021152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

265021152 is an abundant number, since it is smaller than the sum of its proper divisors (493906080).

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

265021152 is a wasteful number, since it uses less digits than its factorization.

265021152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250991 (or 250983 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 265021152 is about 16279.4702616516. The cubic root of 265021152 is about 642.3329180423.

The spelling of 265021152 in words is "two hundred sixty-five million, twenty-one thousand, one hundred fifty-two".