245536623 has 16 divisors (see below), whose sum is σ = 364349440. Its totient is φ = 163424952.

The previous prime is 245536619. The next prime is 245536631. The reversal of 245536623 is 326635542.

245536623 is a `hidden beast` number, since 24 + 5 + 5 + 3 + 6 + 623 = 666.

It is not a de Polignac number, because 245536623 - 2² = 245536619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245536223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10290 + ... + 24432.

It is an arithmetic number, because the mean of its divisors is an integer number (22771840).

Almost surely, 2^245536623 is an apocalyptic number.

245536623 is a deficient number, since it is larger than the sum of its proper divisors (118812817).

245536623 is a wasteful number, since it uses less digits than its factorization.

245536623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795 (or 14789 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 245536623 is about 15669.6082593025. The cubic root of 245536623 is about 626.1889882833.

The spelling of 245536623 in words is "two hundred forty-five million, five hundred thirty-six thousand, six hundred twenty-three".