265628001 has 16 divisors (see below), whose sum is σ = 358611008. Its totient is φ = 174873600.

The previous prime is 265627991. The next prime is 265628003. The reversal of 265628001 is 100826562.

It is not a de Polignac number, because 265628001 - 2¹¹ = 265625953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265628001.

It is not an unprimeable number, because it can be changed into a prime (265628003) 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, 200421 + ... + 201741.

It is an arithmetic number, because the mean of its divisors is an integer number (22413188).

Almost surely, 2^265628001 is an apocalyptic number.

It is an amenable number.

265628001 is a deficient number, since it is larger than the sum of its proper divisors (92983007).

265628001 is a wasteful number, since it uses less digits than its factorization.

265628001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 265628001 is about 16298.0980792238. The cubic root of 265628001 is about 642.8228184919.

The spelling of 265628001 in words is "two hundred sixty-five million, six hundred twenty-eight thousand, one".