265732001 has 4 divisors (see below), whose sum is σ = 265866672. Its totient is φ = 265597332.

The previous prime is 265731989. The next prime is 265732003. The reversal of 265732001 is 100237562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265732001 - 2²² = 261537697 is a prime.

It is a super-2 number, since 2×265732001² = 141226992710928002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265732003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64331 + ... + 68336.

It is an arithmetic number, because the mean of its divisors is an integer number (66466668).

Almost surely, 2^265732001 is an apocalyptic number.

It is an amenable number.

265732001 is a deficient number, since it is larger than the sum of its proper divisors (134671).

265732001 is a wasteful number, since it uses less digits than its factorization.

265732001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134670.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 265732001 is about 16301.2883233197. The cubic root of 265732001 is about 642.9067012776.

Adding to 265732001 its reverse (100237562), we get a palindrome (365969563).

The spelling of 265732001 in words is "two hundred sixty-five million, seven hundred thirty-two thousand, one".