245875013 has 2 divisors, whose sum is σ = 245875014. Its totient is φ = 245875012.

The previous prime is 245874983. The next prime is 245875051. The reversal of 245875013 is 310578542.

It is a happy number.

245875013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227195329 + 18679684 = 15073^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 245875013 - 2⁶ = 245874949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245875093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122937506 + 122937507.

It is an arithmetic number, because the mean of its divisors is an integer number (122937507).

Almost surely, 2^245875013 is an apocalyptic number.

It is an amenable number.

245875013 is a deficient number, since it is larger than the sum of its proper divisors (1).

245875013 is an equidigital number, since it uses as much as digits as its factorization.

245875013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 245875013 is about 15680.4021950969. The cubic root of 245875013 is about 626.4765201676.

The spelling of 245875013 in words is "two hundred forty-five million, eight hundred seventy-five thousand, thirteen".