265432001 has 2 divisors, whose sum is σ = 265432002. Its totient is φ = 265432000.

The previous prime is 265431977. The next prime is 265432039. The reversal of 265432001 is 100234562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222725776 + 42706225 = 14924^2 + 6535^2 .

It is a cyclic number.

It is not a de Polignac number, because 265432001 - 2¹⁸ = 265169857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (265432051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132716000 + 132716001.

It is an arithmetic number, because the mean of its divisors is an integer number (132716001).

Almost surely, 2^265432001 is an apocalyptic number.

It is an amenable number.

265432001 is a deficient number, since it is larger than the sum of its proper divisors (1).

265432001 is an equidigital number, since it uses as much as digits as its factorization.

265432001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 265432001 is about 16292.0839980648. The cubic root of 265432001 is about 642.6646721698.

Adding to 265432001 its reverse (100234562), we get a palindrome (365666563).

The spelling of 265432001 in words is "two hundred sixty-five million, four hundred thirty-two thousand, one".