245245523 has 2 divisors, whose sum is σ = 245245524. Its totient is φ = 245245522.

The previous prime is 245245447. The next prime is 245245529. The reversal of 245245523 is 325542542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245245523 - 2¹⁴ = 245229139 is a prime.

It is equal to p_13433378 and since 245245523 and 13433378 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245245523.

It is not a weakly prime, because it can be changed into another prime (245245529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122622761 + 122622762.

It is an arithmetic number, because the mean of its divisors is an integer number (122622762).

Almost surely, 2^245245523 is an apocalyptic number.

245245523 is a deficient number, since it is larger than the sum of its proper divisors (1).

245245523 is an equidigital number, since it uses as much as digits as its factorization.

245245523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48000, while the sum is 32.

The square root of 245245523 is about 15660.3168231042. The cubic root of 245245523 is about 625.9414275241.

The spelling of 245245523 in words is "two hundred forty-five million, two hundred forty-five thousand, five hundred twenty-three".