265421152 has 12 divisors (see below), whose sum is σ = 522547956. Its totient is φ = 132710560.

The previous prime is 265421087. The next prime is 265421159. The reversal of 265421152 is 251124562.

It is a self number, because there is not a number n which added to its sum of digits gives 265421152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265421159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4147174 + ... + 4147237.

It is an arithmetic number, because the mean of its divisors is an integer number (43545663).

Almost surely, 2^265421152 is an apocalyptic number.

It is an amenable number.

265421152 is a deficient number, since it is larger than the sum of its proper divisors (257126804).

265421152 is an equidigital number, since it uses as much as digits as its factorization.

265421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294421 (or 8294413 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 265421152 is about 16291.7510415547. The cubic root of 265421152 is about 642.6559161745.

The spelling of 265421152 in words is "two hundred sixty-five million, four hundred twenty-one thousand, one hundred fifty-two".