245995193 has 2 divisors, whose sum is σ = 245995194. Its totient is φ = 245995192.

The previous prime is 245995171. The next prime is 245995213. The reversal of 245995193 is 391599542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201412864 + 44582329 = 14192^2 + 6677^2 .

It is a cyclic number.

It is not a de Polignac number, because 245995193 - 2¹⁰ = 245994169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245995993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122997596 + 122997597.

It is an arithmetic number, because the mean of its divisors is an integer number (122997597).

Almost surely, 2^245995193 is an apocalyptic number.

It is an amenable number.

245995193 is a deficient number, since it is larger than the sum of its proper divisors (1).

245995193 is an equidigital number, since it uses as much as digits as its factorization.

245995193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 47.

The square root of 245995193 is about 15684.2338990465. The cubic root of 245995193 is about 626.5785743017.

It can be divided in two parts, 24599 and 5193, that added together give a palindrome (29792).

The spelling of 245995193 in words is "two hundred forty-five million, nine hundred ninety-five thousand, one hundred ninety-three".