263412001 has 2 divisors, whose sum is σ = 263412002. Its totient is φ = 263412000.

The previous prime is 263411983. The next prime is 263412011. The reversal of 263412001 is 100214362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239166225 + 24245776 = 15465^2 + 4924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263412001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263412001.

It is not a weakly prime, because it can be changed into another prime (263412011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131706000 + 131706001.

It is an arithmetic number, because the mean of its divisors is an integer number (131706001).

Almost surely, 2^263412001 is an apocalyptic number.

It is an amenable number.

263412001 is a deficient number, since it is larger than the sum of its proper divisors (1).

263412001 is an equidigital number, since it uses as much as digits as its factorization.

263412001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 263412001 is about 16229.9723043510. The cubic root of 263412001 is about 641.0302425286.

Adding to 263412001 its reverse (100214362), we get a palindrome (363626363).

The spelling of 263412001 in words is "two hundred sixty-three million, four hundred twelve thousand, one".