245513369 has 2 divisors, whose sum is σ = 245513370. Its totient is φ = 245513368.

The previous prime is 245513327. The next prime is 245513377. The reversal of 245513369 is 963315542.

245513369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168688144 + 76825225 = 12988^2 + 8765^2 .

It is a cyclic number.

It is not a de Polignac number, because 245513369 - 2⁸ = 245513113 is a prime.

It is a super-2 number, since 2×245513369² = 120553628715460322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245513309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122756684 + 122756685.

It is an arithmetic number, because the mean of its divisors is an integer number (122756685).

Almost surely, 2^245513369 is an apocalyptic number.

It is an amenable number.

245513369 is a deficient number, since it is larger than the sum of its proper divisors (1).

245513369 is an equidigital number, since it uses as much as digits as its factorization.

245513369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 245513369 is about 15668.8662321178. The cubic root of 245513369 is about 626.1692195305.

The spelling of 245513369 in words is "two hundred forty-five million, five hundred thirteen thousand, three hundred sixty-nine".