263426201 has 2 divisors, whose sum is σ = 263426202. Its totient is φ = 263426200.

The previous prime is 263426179. The next prime is 263426231. The reversal of 263426201 is 102624362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168870025 + 94556176 = 12995^2 + 9724^2 .

It is a cyclic number.

It is not a de Polignac number, because 263426201 - 2²² = 259231897 is a prime.

It is not a weakly prime, because it can be changed into another prime (263426231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131713100 + 131713101.

It is an arithmetic number, because the mean of its divisors is an integer number (131713101).

Almost surely, 2^263426201 is an apocalyptic number.

It is an amenable number.

263426201 is a deficient number, since it is larger than the sum of its proper divisors (1).

263426201 is an equidigital number, since it uses as much as digits as its factorization.

263426201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 263426201 is about 16230.4097606930. The cubic root of 263426201 is about 641.0417611962.

The spelling of 263426201 in words is "two hundred sixty-three million, four hundred twenty-six thousand, two hundred one".