245745361 has 2 divisors, whose sum is σ = 245745362. Its totient is φ = 245745360.

The previous prime is 245745337. The next prime is 245745371. The reversal of 245745361 is 163547542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213890625 + 31854736 = 14625^2 + 5644^2 .

It is a cyclic number.

It is not a de Polignac number, because 245745361 - 2¹³ = 245737169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245745361.

It is not a weakly prime, because it can be changed into another prime (245745371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122872680 + 122872681.

It is an arithmetic number, because the mean of its divisors is an integer number (122872681).

Almost surely, 2^245745361 is an apocalyptic number.

It is an amenable number.

245745361 is a deficient number, since it is larger than the sum of its proper divisors (1).

245745361 is an equidigital number, since it uses as much as digits as its factorization.

245745361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 245745361 is about 15676.2674447714. The cubic root of 245745361 is about 626.3663853289.

The spelling of 245745361 in words is "two hundred forty-five million, seven hundred forty-five thousand, three hundred sixty-one".