265150530 has 128 divisors (see below), whose sum is σ = 761736960. Its totient is φ = 65387520.

The previous prime is 265150519. The next prime is 265150537. The reversal of 265150530 is 35051562.

265150530 is a `hidden beast` number, since 2 + 651 + 5 + 0 + 5 + 3 + 0 = 666.

265150530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 265150494 and 265150503.

It is not an unprimeable number, because it can be changed into a prime (265150537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279517 + ... + 280463.

It is an arithmetic number, because the mean of its divisors is an integer number (5951070).

Almost surely, 2^265150530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265150530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380868480).

265150530 is an abundant number, since it is smaller than the sum of its proper divisors (496586430).

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

265150530 is a wasteful number, since it uses less digits than its factorization.

265150530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 265150530 is about 16283.4434319035. The cubic root of 265150530 is about 642.4374257116.

The spelling of 265150530 in words is "two hundred sixty-five million, one hundred fifty thousand, five hundred thirty".