263264300401 has 2 divisors, whose sum is σ = 263264300402. Its totient is φ = 263264300400.

The previous prime is 263264300353. The next prime is 263264300443. The reversal of 263264300401 is 104003462362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259207247376 + 4057053025 = 509124^2 + 63695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263264300401 is a prime.

It is not a weakly prime, because it can be changed into another prime (263264300471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131632150200 + 131632150201.

It is an arithmetic number, because the mean of its divisors is an integer number (131632150201).

Almost surely, 2^263264300401 is an apocalyptic number.

It is an amenable number.

263264300401 is a deficient number, since it is larger than the sum of its proper divisors (1).

263264300401 is an equidigital number, since it uses as much as digits as its factorization.

263264300401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 263264300401 its reverse (104003462362), we get a palindrome (367267762763).

The spelling of 263264300401 in words is "two hundred sixty-three billion, two hundred sixty-four million, three hundred thousand, four hundred one".