245510089 has 12 divisors (see below), whose sum is σ = 271282228. Its totient is φ = 222013440.

The previous prime is 245510087. The next prime is 245510101. The reversal of 245510089 is 980015542.

It can be written as a sum of positive squares in 2 ways, for example, as 16744464 + 228765625 = 4092^2 + 15125^2 .

It is not a de Polignac number, because 245510089 - 2¹ = 245510087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245510087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18097 + ... + 28609.

Almost surely, 2^245510089 is an apocalyptic number.

It is an amenable number.

245510089 is a deficient number, since it is larger than the sum of its proper divisors (25772139).

245510089 is a wasteful number, since it uses less digits than its factorization.

245510089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728 (or 10717 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 245510089 is about 15668.7615656120. The cubic root of 245510089 is about 626.1664310276.

It can be divided in two parts, 2455 and 10089, that added together give a square (12544 = 112²).

The spelling of 245510089 in words is "two hundred forty-five million, five hundred ten thousand, eighty-nine".