265252405 has 8 divisors (see below), whose sum is σ = 347239584. Its totient is φ = 192910800.

The previous prime is 265252381. The next prime is 265252433. The reversal of 265252405 is 504252562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 265252405 - 2¹⁹ = 264728117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411331 + ... + 2411440.

It is an arithmetic number, because the mean of its divisors is an integer number (43404948).

Almost surely, 2^265252405 is an apocalyptic number.

It is an amenable number.

265252405 is a deficient number, since it is larger than the sum of its proper divisors (81987179).

265252405 is a wasteful number, since it uses less digits than its factorization.

265252405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822787.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 265252405 is about 16286.5713089035. The cubic root of 265252405 is about 642.5196933610.

The spelling of 265252405 in words is "two hundred sixty-five million, two hundred fifty-two thousand, four hundred five".