1364023261 has 2 divisors, whose sum is σ = 1364023262. Its totient is φ = 1364023260.

The previous prime is 1364023247. The next prime is 1364023273. The reversal of 1364023261 is 1623204631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204784100 + 159239161 = 34710^2 + 12619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364023261 - 2⁵ = 1364023229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364023231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682011630 + 682011631.

It is an arithmetic number, because the mean of its divisors is an integer number (682011631).

Almost surely, 2^1364023261 is an apocalyptic number.

It is an amenable number.

1364023261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364023261 is an equidigital number, since it uses as much as digits as its factorization.

1364023261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1364023261 is about 36932.6855373394. The cubic root of 1364023261 is about 1109.0230998567.

Adding to 1364023261 its reverse (1623204631), we get a palindrome (2987227892).

The spelling of 1364023261 in words is "one billion, three hundred sixty-four million, twenty-three thousand, two hundred sixty-one".