245875613 has 2 divisors, whose sum is σ = 245875614. Its totient is φ = 245875612.

The previous prime is 245875579. The next prime is 245875633. The reversal of 245875613 is 316578542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145033849 + 100841764 = 12043^2 + 10042^2 .

It is a cyclic number.

It is not a de Polignac number, because 245875613 - 2¹⁰ = 245874589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245875633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122937806 + 122937807.

It is an arithmetic number, because the mean of its divisors is an integer number (122937807).

Almost surely, 2^245875613 is an apocalyptic number.

It is an amenable number.

245875613 is a deficient number, since it is larger than the sum of its proper divisors (1).

245875613 is an equidigital number, since it uses as much as digits as its factorization.

245875613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 245875613 is about 15680.4213272476. The cubic root of 245875613 is about 626.4770297566.

The spelling of 245875613 in words is "two hundred forty-five million, eight hundred seventy-five thousand, six hundred thirteen".