265505152 has 64 divisors (see below), whose sum is σ = 579992400. Its totient is φ = 120064000.

The previous prime is 265505147. The next prime is 265505159. The reversal of 265505152 is 251505562.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265505159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378402 + ... + 379102.

Almost surely, 2^265505152 is an apocalyptic number.

265505152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265505152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289996200).

265505152 is an abundant number, since it is smaller than the sum of its proper divisors (314487248).

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

265505152 is a wasteful number, since it uses less digits than its factorization.

265505152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 265505152 is about 16294.3288293811. The cubic root of 265505152 is about 642.7237045462.

The spelling of 265505152 in words is "two hundred sixty-five million, five hundred five thousand, one hundred fifty-two".