265544130 has 16 divisors (see below), whose sum is σ = 637305984. Its totient is φ = 70811760.

The previous prime is 265544129. The next prime is 265544161. The reversal of 265544130 is 31445562.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8851471 = 265544130 / (2 + 6 + 5 + 5 + 4 + 4 + 1 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425706 + ... + 4425765.

It is an arithmetic number, because the mean of its divisors is an integer number (39831624).

Almost surely, 2^265544130 is an apocalyptic number.

265544130 is an abundant number, since it is smaller than the sum of its proper divisors (371761854).

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

265544130 is a wasteful number, since it uses less digits than its factorization.

265544130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851481.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 265544130 is about 16295.5248457974. The cubic root of 265544130 is about 642.7551551082.

Adding to 265544130 its reverse (31445562), we get a palindrome (296989692).

The spelling of 265544130 in words is "two hundred sixty-five million, five hundred forty-four thousand, one hundred thirty".