245115601 has 2 divisors, whose sum is σ = 245115602. Its totient is φ = 245115600.

The previous prime is 245115551. The next prime is 245115617. The reversal of 245115601 is 106511542.

It is a happy number.

245115601 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., 213744400 + 31371201 = 14620^2 + 5601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245115601 is a prime.

It is not a weakly prime, because it can be changed into another prime (245115631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122557800 + 122557801.

It is an arithmetic number, because the mean of its divisors is an integer number (122557801).

Almost surely, 2^245115601 is an apocalyptic number.

It is an amenable number.

245115601 is a deficient number, since it is larger than the sum of its proper divisors (1).

245115601 is an equidigital number, since it uses as much as digits as its factorization.

245115601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 245115601 is about 15656.1681454946. The cubic root of 245115601 is about 625.8308744667.

The spelling of 245115601 in words is "two hundred forty-five million, one hundred fifteen thousand, six hundred one".