265425601530 has 32 divisors (see below), whose sum is σ = 641884212288. Its totient is φ = 70239852800.

The previous prime is 265425601523. The next prime is 265425601537. The reversal of 265425601530 is 35106524562.

265425601530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (265425601523) and next prime (265425601537).

It is not an unprimeable number, because it can be changed into a prime (265425601537) 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, 33765231 + ... + 33773090.

It is an arithmetic number, because the mean of its divisors is an integer number (20058881634).

Almost surely, 2^265425601530 is an apocalyptic number.

265425601530 is an abundant number, since it is smaller than the sum of its proper divisors (376458610758).

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

265425601530 is a wasteful number, since it uses less digits than its factorization.

265425601530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67538462.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 265425601530 in words is "two hundred sixty-five billion, four hundred twenty-five million, six hundred one thousand, five hundred thirty".