245101013 has 2 divisors, whose sum is σ = 245101014. Its totient is φ = 245101012.

The previous prime is 245101001. The next prime is 245101027. The reversal of 245101013 is 310101542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221354884 + 23746129 = 14878^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 245101013 - 2²² = 240906709 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245100982 and 245101000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245101033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122550506 + 122550507.

It is an arithmetic number, because the mean of its divisors is an integer number (122550507).

Almost surely, 2^245101013 is an apocalyptic number.

It is an amenable number.

245101013 is a deficient number, since it is larger than the sum of its proper divisors (1).

245101013 is an equidigital number, since it uses as much as digits as its factorization.

245101013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 245101013 is about 15655.7022518953. The cubic root of 245101013 is about 625.8184588257.

Adding to 245101013 its reverse (310101542), we get a palindrome (555202555).

The spelling of 245101013 in words is "two hundred forty-five million, one hundred one thousand, thirteen".