245562361 has 6 divisors (see below), whose sum is σ = 269915786. Its totient is φ = 223238400.

The previous prime is 245562347. The next prime is 245562367. The reversal of 245562361 is 163265542.

It can be written as a sum of positive squares in only one way, i.e., 141134400 + 104427961 = 11880^2 + 10219^2 .

It is a de Polignac number, because none of the positive numbers 2^k-245562361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245562367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1014600 + ... + 1014841.

Almost surely, 2^245562361 is an apocalyptic number.

It is an amenable number.

245562361 is a deficient number, since it is larger than the sum of its proper divisors (24353425).

245562361 is a wasteful number, since it uses less digits than its factorization.

245562361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029463 (or 2029452 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 245562361 is about 15670.4295091105. The cubic root of 245562361 is about 626.2108672857.

The spelling of 245562361 in words is "two hundred forty-five million, five hundred sixty-two thousand, three hundred sixty-one".