263500441 has 2 divisors, whose sum is σ = 263500442. Its totient is φ = 263500440.

The previous prime is 263500429. The next prime is 263500487. The reversal of 263500441 is 144005362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207475216 + 56025225 = 14404^2 + 7485^2 .

It is a cyclic number.

It is not a de Polignac number, because 263500441 - 2¹³ = 263492249 is a prime.

It is not a weakly prime, because it can be changed into another prime (263500141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131750220 + 131750221.

It is an arithmetic number, because the mean of its divisors is an integer number (131750221).

Almost surely, 2^263500441 is an apocalyptic number.

It is an amenable number.

263500441 is a deficient number, since it is larger than the sum of its proper divisors (1).

263500441 is an equidigital number, since it uses as much as digits as its factorization.

263500441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 263500441 is about 16232.6966644486. The cubic root of 263500441 is about 641.1019759991.

The spelling of 263500441 in words is "two hundred sixty-three million, five hundred thousand, four hundred forty-one".